Princess Bubblegum is a main character on the series Adventure Time that first appeared in the Animated Short. She is the benevolent ruler of the Candy Kingdom and is Finn"s former love interest. She is also Ice King"s most often-targeted princess. Marceline is the only person known to call her by her first name, Bonnibel, or Bonnie for short. She has a gender-swapped character named Prince Gumball created by the Ice King in his fan-fiction.