Princess Bubblegum is Ice King's main love interest, but the relationship is one-sided. Since Finn had a crush on Princess Bubblegum before meeting Flame Princess, this made it even harder for Ice King to maintain any relationship that will last with her.
They have had a consistently strained relationship since Marceline's childhood, culminating in him eating her fries when she was a pre-teen, whereafter Marceline felt that he didn't care about her.
Ice King stops it and announces to the heroes that he is going to get married, for that is the reason he came, not to fight. Finn and Jake are shocked and Ice King shows them his bride, Old Lady Princess, who is in a wagon with other penguins.
Years later, Finn and Roselinen have married and had two children, Bonnie and Jay. Quilton tells them that an ancient book has been discovered revealing that the door to Finn's world appears periodically.
In Adventure Time. Princess Bubblegum and Finn's Relationship were never romantic instead a BFF Heroic way. Its revealed Finn loved Bubblegum but never showed it or talked about it but with no one else but his Brother Jake. So, they were never together its just that Finn loved bubblegum but she didn't love him back.
Simon was engaged to Betty Grof, who left him after the crown began to affect his mental health. The loss of Betty, whom he nicknamed "his princess," led to the Ice King's obsession with kidnapping princesses.
The Ice King is surprised to find out that she "likes" him and asks for a hug. However, when he misinterprets her feelings and tries to kiss her, Marceline angrily confronts him and asks if he remembers his past by calling him by his actual name: Simon.
In the same episode Finn, in an attempt to convince Jake of her generally wholesome ways, calls Marceline "a radical dame who likes to play games." Marceline kisses Finn for the first time.
In the series finale, "Come Along with Me", Marceline and Bubblegum express their romantic feelings for one another and kiss, and the episode's epilogue shows the two seemingly as a happy couple.
Finn begins dating Flame Princess (Jessica DiCicco) in the third-season finale "Incendium", after realizing that Princess Bubblegum is too old to be compatible with him. Although Flame Princess' fiery nature makes their relationship difficult, they try to make it work. Finn and Flame Princess eventually break up.
In the series finale "Come Along With Me", after the defeat of GOLB, PB goes to what remained of Finn and Jake's house to thank them. She kisses Finn on the cheek, however, it is known that this is not in a romantic way as she is revealed to be in a relationship with Marceline.
Married to the Job - The reason for their break up was that Bubblegum got too busy running the Candy Kingdom, and couldn't make time for Marceline. Bubbline is the femslash ship between Marceline Abadeer and Princess Bubblegum from the Adventure Time fandom.
Finn seeing Ice King as Simon suggests that Finn feels empathy for what happened to Simon. Additionally, he comments that it's "kind of hard not to" see Simon in Ice King.
The Ice King (voiced by Tom Kenny in the TV series and John Kassir in the original pilot short) is a recurring antagonist-turned-supporting protagonist of the series, and is 1,043 years old. The Ice King frequently steals princesses throughout Ooo to forcefully marry them, Princess Bubblegum being his usual target.
Princess Bubblegum is Ice King's main love interest, but it's unrequited love. Since Finn had a crush on Princess Bubblegum (before meeting Flame Princess), this made it even harder for Ice King to maintain any relationship that will last with her.
Betty Grof was a human-turned-wizard woman revealed to have once been the fiancée of Simon Petrikov, who would much later become the Ice King. She and Simon were in a committed relationship until Simon obtained a cursed crown. In the series finale, "Come Along With Me," Betty is consumed by GOLB with Ice King and Finn.
Finn was, for a long time, the only confirmed human in the Land of Ooo, to the point where he had an epithet, "The Human", and was referred to by many as "Finn the Human". The reason for this is revealed in the episode "Her Parents," as Lady Rainicorn's dad believed that humans were extinct.
Centuries before the beginning of the series and some time after the foundation of the Candy Kingdom, Princess Bubblegum met and befriended Marceline the Vampire Queen, eventually entering into a romantic relationship with her.
Eventually, as by this time, Finn believes there is no way to escape the Pillow World, Finn abandons his relationship with Flame Princess to start a new life with Roselinen, having two kids named Jay and Bonnie.
single, although she has a long time flirtation with Candy Kingdom's frequent hero and last surviving human, Finn. Bubblegum and Finn have rescued each other numerous times, and Finn has an undeniable crush on her. Bubblegum also has a long history with Marceline the vampire.
