Ice King is similar to the Teen Titans character Mumbo. They both have blue skin and white hair, they are both voiced by Tom Kenny, and they are both magic users with similar origins. Simon appears again in " Obsidian", set an unspecified amount of time after "Come Along With Me". He is seen in Dirt Beer Guy's Tavern singing "I Remember You" and later takes Glassboy to Marceline's house. He is later seen dressed in the Ice King's old robe wearing Gunther slippers and a toy crown playing in Marceline's freezer claiming that it is his way of coping with the trauma from years of being the Ice King after Glassassins break in. After the battle with Larvo he arrives wanting to help alongside some Banana Guards, Finn, and Bronwyn. He is then shown to be dancing with a Glass Person after the Glass Kingdom is saved. Since then, the Martians have made a number of memorable appearances, sometimes the star of their story, and sometimes part of the supporting cast. With tempers flaring and a cargo of nuclear weapons on board, it’s not just the crew but the whole of humanity at stake! This article was nominated in the 2021 Golden Stake Awards. It was nominated for the following category: Best Voice Actor (male)

In " The Chamber of Frozen Blades," the Ice King is shown to have studied the Ice Ninja art of Fridjitzu, and that his sanctum is filled with all sorts of ninja-esque weaponry and memorabilia. Simon is seen in Marceline's house, making popcorn and spending time with Marceline, Princess Bubblegum, Peppermint Butler, Ice Thing, and Turtle Princess. He is shown to be smiling, and enjoying the company of his friends.Simon may have been a fan of the classic TV show Cheers, as he reenacted the iconic "Norm!" greeting in " Simon & Marcy" and even sang an abridged version of the theme song. Ice King loves filling his bathtub up with milk and sitting in it like he is a magic angel. This is revealed in a slowed-down portion of Ice King's tapes in the episode " Holly Jolly Secrets Part I." The Romans by Donald Cotton, read by Tim Treloar, Jamie Glover, Dan Starkey, Jon Culshaw, Maureen O’Brien and Louise Jameson Ice King's favorite princesses, as he revealed in " Princess Monster Wife," are Princess Bubblegum, Muscle Princess, Skeleton Princess, Turtle Princess, Hot Dog Princess, Wildberry Princess, Elbow Princess, Slime Princess, Lumpy Space Princess, and (not an actual princess) Doctor Princess. Both have something on their head that turned them insane (Simon with his crown, Steven with his helmet).

Both were previously friends with one of the protagonists (Simon and Marceline, Steven and WordGirl). In the Regular Show episode " See You There," one person is dressed like the Ice King but with the crown in a different format. He is seen many times throughout the episode. Simon is known for his intelligence, kindness, and self-sacrifice. From the information given in " Holly Jolly Secrets Part II," Simon was a deeply committed and loving fiancé (to Betty). He proved to be the same way as a watchful guardian over young Marceline during the aftermath of the Mushroom War. Even when they were in great danger, Simon struggled to keep Marceline happy and helped her to always see the best of their situation. He took on a very responsible role in Marceline's life, by not only protecting her and keeping her healthy but also by teaching her right from wrong and keeping her spirits high (as seen in " Simon & Marcy"). Simon, as a rule, is known for being optimistic even at the worst of times and it is clearly one of Simon's most notable attributes. Even while being saddled with a great burden, Simon fought an apocalyptic world while fighting the omnipotent influence of the Ice Crown. Some of Simon's innermost thoughts and fears of his inevitable madness were revealed in messages left to Marceline revealed in "I Remember You." Simon agonized over abandoning Marceline in a dangerous world due to his deteriorating sanity. However, Simon, nearing the very end of his humanity feared for his own life, worried that as the crown took him from Marceline, no one would be able to "save him." His vulnerability as a human was most evident just before he permanently became the Ice King. In " Come Along With Me" his optimism and courage is shown when he comforts Finn wisely telling him that no one gets to chose how they "go out" or die and at least they were together before being rescued. This article was nominated in the 2021 Who Would Win Tournament. They only made it to the third round, and the tournament is now concluded.

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Sadly, for Whovians, two episodes of this six-part adventure are missing, destroyed by the BBC in the Seventies. The audio, thankfully, still exists, and the DVD edition includes beautifully-animated versions of these missing eps. Today, one Doctor Who’s most iconic and fearsome aliens celebrate fifty years since their first appearance on the show. Ice King is one of the bosses in Adventure Time: Explore the Dungeon Because I DON'T KNOW! Once you defeat him, you can play as him. Later on, the friends of Finn and Jake sing the " Time Adventure" song, allowing Simon and Finn escape from inside GOLB, although Betty decides to stay behind as a sacrifice and use the Ice crown (which was restored to its essential form, granting its wearer their deepest, truest wish) to wish GOLB out of existence. When this doesn't work, she wishes instead that Simon is protected at all costs. As a result, Betty is fused with GOLB and the two become one singular entity. Devastated at Betty's decision, Simon cries out for her as the new GOLB leaves the planet through another portal, and is comforted by Marceline. Before the portal closes, the Ice Crown falls to the ground. Gunter decides to wear it, fuses with it and is transformed into Ice Thing after wishing to be Ice King.