Gary Prince

Gary Prince (formerly Prince Gumball) is the gender-swapped version of Princess Bubblegum. He was originally created after the gender-swapped characters were introduced in series of drawings and comics, and then they were featured in the season 3 episode "Fionna and Cake," in which it is revealed that the characters only exist in fanfiction written by the Ice King.

Read more about Gary Prince on Adventure Time Wiki at Fandom ↗