Ice King

A lonely man cursed by an ancient crown who lost his mind to save a child he once called daughter.

Simon Petrikov, commonly known as the Ice King, is a central figure in the Adventure Time franchise, originating as the main antagonist before evolving into a tragic protagonist. Initially depicted as an incompetent wizard obsessed with kidnapping princesses to force them into marriage, his character arc reveals he was once a kind human named Simon who fell under the influence of a magical crown. This artifact granted him ice powers and immortality but drove him insane, erasing his memories over centuries. Introduced in the series' early seasons, he becomes a main character in later installments and the spin-off Adventure Time: Fionna and Cake. His journey explores social isolation and mental illness, earning critical acclaim for transforming a comedic villain into a deeply sympathetic figure.

Quick Facts

Franchise: Adventure Time
First: Adventure Time (2007)
Creator: Pendleton Ward
Voice: Tom Kenny; John Kassir (pilot)
Full name: Simon Petrikov
Species: Human
Gender: Male
Partner: Betty Grof (ex-fiancée)

Lore & Background

The Ice King's backstory is revealed in the third season two-part special "Holly Jolly Secrets," where it is disclosed that Simon Petrikov was an antiquarian who purchased a magical crown from a dockworker in Scandinavia. The crown gradually turned his skin blue and made him act erratically, causing his fiancée Betty Grof to leave him. Despite this influence, the crown allowed him to survive the apocalyptic Mushroom War roughly one thousand years before the series began.

In episode 25 of season four, "I Remember You," Simon is shown meeting Marceline the Vampire Queen when she was a young orphan, helping her survive the war's fallout while his own mental health rapidly degenerated. He wrote her an apology letter for actions he might take once he no longer remembered her. The episode "Simon & Marcy" further reveals that Simon reluctantly began wearing the crown specifically to use its power to protect Marceline, eventually leaving her out of fear that the insanity would cause him to hurt her.

Reader's Guide

The Ice King is characterized as an elderly man with blue skin caused by his magical crown, which grants immortality and control over snow and ice. Originally introduced as "evil but incompetent," he is prone to misanthropy, depressive episodes, and anxiety over his body image. His behavior is described by voice actor Tom Kenny as that of a "very real psychopath" who does not understand why his actions are wrong. The show's creator, Pendleton Ward, viewed him as a "pathetic" character whose sympathetic backstory allows audiences to fall in love with the villain.

Critics have noted the crown's influence as a complex depiction of Alzheimer's and bipolar disorder, highlighting episodes like "I Remember You" and "Simon & Marcy" as some of the show's best. While initially receiving lukewarm reception, his development into a tragic figure was widely acclaimed. In Adventure Time: Fionna and Cake, Simon struggles to adjust to life without magical powers and feels uncomfortable with the popularity of fan fiction he wrote while under the crown's influence.

Did You Know?

The character was first voiced by John Kassir in the short film "Adventure Time" before Tom Kenny took over for the television series.
Journalist Neil Strauss noted similarities between Ice King and creator Pendleton Ward, including "Trotsky glasses," a large beard, and a desire for social interaction.
In the episode "Ricardio the Heart Guy," the Ice King's heart escapes his body, takes on anthropomorphic features, and is named Ricardio by George Takei.
In the series finale, Betty Grof absorbs the powers of Magic Man in an attempt to cure Simon, but ultimately merges with GOLB to become "Golbetty".

Frequently Asked Questions

Who is Ice King really?

Originally a kind-hearted archaeologist named Simon Petrikov, he was forced to wear an ancient cursed crown to survive the post-apocalyptic world. This artifact granted him immense magical powers but slowly eroded his sanity and identity over centuries.

What are Ice King's powers and role?

As ruler of the Ice Kingdom, a land of penguins, he can control snow and ice through the crown. While initially portrayed as a chaotic antagonist who kidnapped princesses, his role evolved into that of a tragic ally to Finn and Jake.