Marceline Abadeer

Marceline Abadeer is a character from Adventure Time. She is bisexual because she used to date the wizard Ash until they break up after he sold her teddy bear to a sky witch and in a love-hate relationship with Princess Bubblegum. In the comic books, such as during a time-traveling mix-up, Finn goes to see Princess Bubblegum, And he also sees that Bubblegum is married to Marceline. In another comic book, Princess Bubblegum tells Marceline she loves her.