Princess Celosia Flame
Name Princess Celosia Flame
Age 14 (debut)

15 (as of "Earth & Water")

Species Flame People
Occupation Ruler of the Fire Kingdom

Flame King (father)
Click "expand" for full list

Unnamed older brother
Unnamed younger brothers
Flame Uncle (uncle) †
Furnius and Torcho (cousins)
Unnamed aunt and uncle

Introduced In "Incendium"
Latest Appearance "Earth & Water" (actual) "The Pit" (mentioned)
Voiced by Jessica DiCicco

Princess Celosia Flame is the princess and ruler of the Fire Kingdom, as well as Finn's ex-girlfriend. When Jake asks Flambo if he knows any princesses Finn's age so he can fix his broken heart, he introduces Jake to Flame Princess. Flame Princess was locked away in a lantern in the main chamber of the Fire Kingdom when Jake first encounters her. It is later revealed that her father, the Flame King, put her there on Princess Bubblegum's advice when she was an infant, and she did not come out for 14 years. She has a short temper, trust issues, and a heat core that can destroy the world if overblown with emotions.


Baby FP

Flame Princess as an infant

As an infant, Flame Princess was chaotic and free spirited - she was even stated and proven to be more powerful than her father as a baby. However her father Flame King did not want a daughter more powerful than him and left her to "wander into the outside world to perish," before she wandered off into a nearby forest and burned it down while laughing and running around like a fireball. Reaching the Candy Kingdom, Princess Bubblegum saw the flaming baby and prepared herself to bring her back to the Fire Kingdom. Once there, Bubblegum told Flame King to keep his baby under control or she will do it herself - but he denies Flame Princess as his daughter. Princess Bubblegum knows better and insists he take her back. After some arguing, they come to an agreement and decide to trap the royal baby in a giant lantern for the rest of her life, to grow up watching the horrors of the Fire Kingdom. However she seems to have been friends and grew up talking to Flambo through her lantern.

"Finn" and Jake meet Flame Princess.

It was not until fourteen years later in "Incendium" when she was allowed to be released by her father after Flambo finds her a boyfriend. It is believed that Flame Princess was a handful as a kid despite growing up in a lantern since Flame King described her as "totally evil and destructive." Even so, she was only released because he believed that "Prince Finn" was a cold blooded killer who would suit his daughter perfectly. After leaving the Fire Kingdom to be with Finn the Human hero, she resided in the grasslands inside a fire hut - no longer wanting to be influenced by the evil of her kingdom.
S4e16 FP Falling to the core

Flame Princess falling

Flame Princess discovers that her emotions are unstable and can destroy the world in "Burning Low" when Princess Bubblegum tries to stop her from kissing Finn due to the burst of intense romance. Finn and Flame Princess, on the other hand, want to become more physical in their relationship. After learning the dangers, Finn refuses to care and takes the risk for his new girl - almost resulting in Ooo's core exploding. This near total-fatal event strengthened the bond between the couple and made Flame Princess more aware and cautious of her emotions and elemental powers - however she still does not understand how to control them.

S5 e12 Flame King interupting FP's card game

Flame King trying to keep Flame Princess evil

Meanwhile, Flame King believed his daughter was pure evil and had intentions to drag her down again. Once he found Flame Princess' new home and began haunting her with evil whispers, she was frightened and feared that she was truly evil and could not fight her blood. She kept this to herself for awhile until she finally came clean to Finn, so he took her on a quest of heroes to prove to her she is not evil and shift her alignment to good. This made her happy and no longer scared of her past or her family, as she was good at heart. She begins having dinners with "the less evil side" of her family and occasionally her father, as well as regular adventures with Finn and Jake.
Flame Princess in the Ice Kingdom

Flame Princess destroys the Ice Kingdom.

As her relationship with Finn played out, they began going on dates and picnics. One of these picnics were interrupted when a fight between Flame Princess and a passing-by Ice King breaks out, causing Finn to have a strange dream. Realizing the fight is what caused the dream, Finn caused another fight by writing both Flame Princess and Ice King a rude letter from the other. Although he had the dream again, Cosmic Owl appeared and told him that "You (He) blew it." This confirms that Flame Princess is indeed important and has an unknown special link to Ice King and the Cosmic Owl. Waking up from the dream and discovering that Flame Princess has destroyed the Ice Kingdom and nearly killed Ice King, Finn stops the fight and confesses he was the one who wrote the letters because he needed to see the dream again and learn what it meant. Flame Princess was hurt and ignored her boyfriend's explanation, ranting on that her letter included personal things that he used against her. She then breaks up with Finn and runs off into the sunset in confusion.

Flame Princess meets Princess Bubblegum

After her break up with Finn, Flame Princess had trouble controlling her emotions again, claiming she does not want to feel that way and Princess Bubblegum observes her. Not remembering that Bubblegum was the one who locked her away as a child, Flame Princess befriends the fellow princess and allows her to run test on her so she can understand herself better. While talking to Cinnamon Bun when Princess Bubblegum leaves Flame Princess unattended, he tells her that Bubblegum is evil. The fire princess is shocked and questions him, so he reminds her that when she locked her in the lantern as a child that was pretty evil. Flame Princess then has a flashback and remembers what Bubblegum and Flame King did to her, recalling why she grew up in a lantern in the first place. She then has an outburst after discovering the betrayal of another friend, screaming "Is everyone hiding something?!" The princess then sets off, back to her kingdom for the first time since she left it behind her.

Neo-Flame King

After returning home, Flame Princess realizes she is more powerful than her father and overthrows him - putting him into the lantern where he trapped her during her past life and becoming the new ruler of the Fire Kingdom. She brings her only true friend Cinnamon Bun with her as he leaves his Candy Kingdom days behind to become the princess' new servant. Flame Princess claims she will not be sucked back into the evil, and she makes the new rule of the Fire Kingdom "honesty." When Bubblegum learns that Flame Princess and Cinnamon Bun left she was outraged and went with Finn to track them down to the kingdom. Flame Princess tells them that she overthrew her father, to enact a new regime of honesty within the Fire Kingdom. Stating that her place is in ruling the weak and vicious fire people, Flame Princess tells Finn they are no longer "going out"; however, Flame Princess adds that she and Finn can still be friends. It is unknown where her standing on Princess Bubblegum is, or how she intends to proceed with her relationship with her father, but Flame Princess seems to be calm and at peace with herself while figuring out who she really is in her heart.

Personality and traitsEdit

Flame Princess has a volatile personality; she usually has a calm demeanor, though with rather frequent tendencies to sudden and violent mood swings. She is described as "passionate" by Finn, "evil" by the Flame King, and "intense" by Pendleton Ward. The Flame King also remarks that she is difficult to control. She seems to be very sensitive and quick to judge. She is also prone to unprovoked fits of aggression, as shown when she throws fireballs at her subjects just for whispering. Flame Princess is also impressionable in a positive way. She is very happy when Finn calls her beautiful. She was also interested when Jake was giving her gifts in the episode "Incendium" and excited when her dad let her date "Prince Finn," though this excitement quickly turns to anger when "Prince Finn" rejects her.

In the episode "Hot to the Touch," Flame Princess shows curiosity about her new surroundings by examining flowers. This sets them on fire and she seems a bit surprised by the reaction, indicating she does not know much about lands other than the Fire Kingdom. At the end of the same episode, she shows that she likes Finn, but thinks that they cannot be together because they are opposite elementals, calling Finn "a Water Elemental" because of the tear that she felt from him.

In "Burning Low," she seems to be calmer and able to handle a part of her flame being doused. This is illustrated when Finn jumps into the water while his foot is on fire, but she does not visibly react. This was also shown in "Vault of Bones" when Finn tossed a lit torch in the water, she does not show any signs of pain even though it was her who lit it. That may be due to Finn and Flame Princess getting used to each other.

In "King Worm," an introduction to Flame Princess' impatience is made when Finn refuses to have the soup that she was offering him. She instantly orders him to "eat it now!" in response to Finn telling her to wait.

In "Vault of Bones," Flame Princess is shown to still have a desire to be destructive, even though she says she'll only destroy evil things. Flame Princess' impatience is also made known, getting bored whilst Finn was searching around in the Vault.

In "Jake Suit," she is seen calmer and able to control her anger well, even though Jake, who is controlling Finn, embarrassed him in front of her less evil family by making him dance his Baby Finn song. When she figured out the bet, she should have shouted at him, instead she thinks it is pretty hardcore of Jake to do that, then she wishes Finn good luck.

In "Frost & Fire," she dislikes it when someone insults her relationship with Finn, shown when she battles Ice King because of the letter she thought sent by him. It is proved in this episode that she can lower her anger levels even more, which is seen when she did not rage at Finn for hurting her feelings when he admitted he wrote the forged letter. However, she was heartbroken at this fact.


Flame Princess Fire Sword

Flame Sword

Being a fire elemental, Flame Princess is able to conjure up flames at will, transform other citizens of the Fire Kingdom into Flambits, transform into a larger, more dangerous form composed purely of fire, hurl fireballs that can vary in size, and separate her body into distinctly separate groups of flames (shown when she ambushes Finn in "Hot to the Touch.") She appears to be able to consciously extinguish fire she has created; she does this when she notices Finn crying. She can also float and move very quickly, both of which leave a trail of flames.

Her weakness is water, shown after unintentionally setting off some of Princess Bubblegum's liquid pyrotechnics and when she puts her hand into a pond. The liquid pyrotechnics caused her to become unconscious, and touching the water in the pool caused her pain. The fires that Flame Princess makes are a part of her, and stomping on or dousing the fire hurts her. She seems to be able to handle part of her flames being doused, shown in "Burning Low" and "Vault of Bones," where Finn puts out her fire in both episodes, and she does not visibly react. She also has a partial weakness in ice, shown after their second battle with the Ice King.

She is physically unstable. If her elemental matrix is exposed to extreme romance, she would burn through the Earth's crust and set off a series of reactions, causing a meltdown that would burn up the planet from the inside. This reaction was started when Finn kissed her in "Burning Low," but the crisis was averted.

She can use her fingers to unleash small blasts of fire and throw disks of fire as seen in "Ignition Point."


Flame Princess' house

She can emit a continuous flamethrower from her hands, but the length of time she can sustain it is debatable. She has a Scatter Fire ability, in which she emits four manipulable bolts of fire. She can also make a Flame Sword, in which she concentrates an isolated flame, extending from her arm, that is intense enough to glow blue. Immediately following that, she used a Dash ability that sent massive pieces of shrapnel from a steel door (which she had just cleaved into four pieces) in all directions, as seen in "Vault of Bones." Also in the episode, she uses Heat Sense to sense that a tree is not made of wood. She does not leave a fire trail when she walks now, and she says she is a "42" (out of 100) at sending very weak, controlled bolts of fire. This indicates that she has gained considerable control over her abilities since "Burning Low," as seen in "Vault of Bones."


Flame Princess healing Cinnamon Bun's leg

She has full manipulation of her body, morphing it into asymmetrical flames at will. Her father also has this ability, and it may be the norm among fire elementals this is shown when she first steps into her new house. In "Frost & Fire," she shows both her strength and abilities in fighting while battling the Ice King. She can shoot beams of fire from the center of the gem on her forehead, shown when she destroys the Ice Kingdom. She is also able melt the icicles that the Ice King creates without touching it when they fly towards her. She shows the ability to heal when healing Cinnamon Bun, as seen in "Earth & Water." Although, she could just be melting the area around the wound back into place or cooking his skin to make it brown again, as she is made of fire and Cinnamon Bun is made of a dough substance.


Main article: Flame Princess/Relationships


Flame Princess Wet2

Flame Princess in a doused state

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Flame Princess' outfit in "Vault of Bones"

Flame Princess has long orange-red hair about waist-length that is like fire and as such flows above her head. She has black eyes that sparkle white and yellow in the light of her fire. Her arms are also portrayed as thicker than the majority of characters. Her skin is yellow-orange and she usually wears a orange-red dress under a light orange surcoat with hot pink trimming. At first, she does not wear shoes, though her dress usually hides her feet from view. She has two diamond-shaped, red gems; one on her forehead and the other on the front of her dress. The red gem on her dress is shown to be a part of her dress and not her exemplified when Flame Princess had a different outfit on in "Ignition Point."

When her flames are doused, her skin changes to a pinkish-gray hue, and her hair falls down her back and becomes a dull shade of maroon. Once in dry conditions, she returns to her normal appearance quickly. When Flame Princess is deprived of oxygen she turns a light shade of blue, as seen in "Burning Low."

She is normally seen wearing clothes, mainly dresses, in all different shades of red with a gem on her forehead and her hair is seen up most of the time. In "Ignition Point" she is shown with her hair in two side-buns and she begins to wear shoes. The animatic also showed her wearing a choker, which was later removed. In "Vault of Bones" she has a strapless dress and her hair appears to be shorter than usually seen. In "Earth & Water" she wears a casual white dress with a peach-colored, short-sleeved surcoat, a hot pink sash and a pair of red boots that are about knee-length. Her hair was being worn down and was longer. During her flashback when she was a baby, she wears a red t-shirt that is about her baby size and a rock diaper. Later in the episode, she wear a Flame King-like suit of armor and a crown that is similar to Flame King's.

Costumes and DisguisesEdit

  • Ignition Point - she was wearing two side-buns and had her hair worn back. She wears a peach-colored shirt along with an orange-red matching pants. She was wearing shoes and had a clear layer on her pants.
  • Vault of Bones - her hair was shorter and was worn down. She wears a short strapless dress that has fire centered around it at the end of the dress.
  • Time Sandwich - she was seen wearing a dress that was spiky at the bottom that resembled fire due to her being a fire elemental and had bright spiky stripes going along it that resembled fire as well. She had her hair being worn down on the sides the same way she did in the episode "Vault of Bones" and in the back, she had her hair standing up some the way it usually does.
  • Flame Warrior - Flame Princess was wearing a string bikini and had her hair back in a ponytail being held with pins. She also had a ninja knife being held in her hair.
  • Trouble Date - Flame Princess was wearing her hair down and wavy and had a long, sparkling, red strapless dress. She was also wearing red high heels.
  • Earth & Water - She wore a long, fringy, floral white dress with a peach-colored, short-sleeved surcoat, a hot pink sash and a pair of red boots that are about knee-length. Her hair was worn down and is longer.
    • During her flashback when she was a baby, she wears a red t-shirt that is about her baby size and a rock diaper.
    • Later in the episode, she wears a Flame King-like suit of armor and a crown that is similar to Flame King's.


Episode appearancesEdit

Major appearancesEdit

  • Incendium
  • Hot to the Touch
  • Burning Low
  • Love of Flames
  • Fire Fighter
  • Ignition Point
  • Vault of Bones
  • Princess Potluck
  • Fire Friend
  • Flame Warrior
  • Trouble Date
  • Frost & Fire
  • Earth & Water
  • Queen of Flames
  • Fire & Light

Minor appearancesEdit

  • The Lich (Non-Speaking Cameo)
  • Jake the Dog (Non-Speaking Cameo)
  • King Worm
  • Raindrop on by
  • Davey (Cameo)
  • Jake Suit
  • Time Sandwich
  • Puhoy
  • All the Little People (As a Toy)
  • Apple Wedding
  • Love Games (Flashback)


  • Reign of Gunters
  • I Remember You
  • Heartburn
  • Too Old
  • Dungeon Train
  • The Pit


  • Issue 2 (Mentioned)
  • Issue 4 (Non-speaking Cameo)
  • Issue 7 (Non-speaking Cameo)
  • Issue 10 (Mentioned)
  • Issue 13 (Non-speaking Cameo)
  • Issue 14 (Non-speaking Cameo)
  • Issue 15 (Non-speaking Cameo)
  • Adventure Time Vol. 1: Playing With Fire]]


  • Pendleton Ward and the show's cast first introduced Flame Princess at Comic-Con 2011.
  • Natasha Allegri has drawn Flame Prince, a gender-swapped version of Flame Princess, in her artwork, but he has yet to appear on the show. He has, however appeared in the mini comic that started in early January.
  • Flame Princess is the only known princess to have invaded another kingdom by herself.
  • In the original storyboard for "Hot to the Touch," Flame Princess was supposed to kiss Finn; however, the idea was dropped and reused for "Burning Low."
  • When Flame Princess transforms into her larger form, her face resembles that of her father, the Flame King.
  • She is different than the other flame people curiously, being that she can be completely wet and yet only be rendered unconscious at the most, instead of killed. This is possibly due to the fact that, as royalty, she likely has abilities beyond typical flame people.
    • She is one of the few flame people with a humanoid shaped body.
    • She is apparently the only one with a human-like physical body (an example is her skin and hair behave like a human's) rather than one composed only of fire.
    • Although it appears as if Flame Princess' hair is made of fire, it does not disappear when she is extinguished or wet; instead it falls down to her back and behaves like normal hair.
  • When in a doused state, her gems appear to turn a maroon color.
  • She refers to Finn as her boyfriend in "Vault of Bones" and Finn refers to Flame Princess as his girlfriend in "Puhoy."
    • In "Puhoy," Finn is briefly concerned that their relationship is over after Flame Princess did not get a joke he made, and ventures into a Pillow World where he lives through a lifetime with a pillow wife and pillow children. When he dies of old age in this world and "returns" to Ooo, he immediately gets a phone call from Flame Princess telling him she now gets the joke, and promptly forgets about his "dream" of the Pillow World.
  • She is one of the two princesses who have ran away from home and lived out in the grasslands because they hated their parents and how they treated them. The other one is Lumpy Space Princess. She is also one of the two princesses to have another emblem aside from a crown to represent her royalty as a princess. The other one is also Lumpy Space Princess.
    • However out of the two, only Lumpy Space Princess has reconciled with her parents.
    • It may also noted that she is the third member of royalty that hated their father, along with Marceline and Lumpy Space Princess; however, Lumpy Space Princess's hate stretches to both her parents.
    • Although she overthrew her father and became the new ruler (making her obtain a crown) and started living in the Fire Kingdom again, she was still considered one of the two princesses as she does not have a crown when she was only a princess and she ran away from home and lived out in the grasslands at the same time.
  • In the episode "Hot to the Touch" It is proven that whenever Flame Princess's fires are put out, she gets hurt. However, in the episode "Vault of Bones" Finn threw a torch in the water that was lit with Flame Princess's fire and she did not show any pain. Also in the episode "Burning Low" Finn jumped in the water putting out fire that was on his foot that was caused by Flame Princess and she did not seem hurt at all.
  • In "Earth & Water" she overthrows her father and becomes the new Flame King.
  • In the episode "The Pit," Finn mentions that he still loves her, even though she rejected him in "Earth and Water."

References in other mediaEdit

  • There is a Pet Society costume of Flame Princess.
  • Flame Princess stars in an Adventure Time original graphic novel, where she embarks on her first adventures with Finn and Jake.
  • In an episode of Mad, The President said one of the things Finn did was "Kissing fire ladies." This was obviously a reference to Flame Princess.