Prince Gumball is a gender-swapped version of Princess Bubblegum from the animated series Adventure Time, specifically appearing in the episode 'Fionna and Cake.' He is the ruler of the Candy Kingdom in the alternate universe and is known for his intelligence, charm, and scientific acumen. As an important supporting character, Prince Gumball often provides guidance and support to the protagonists, demonstrating a calm and composed demeanor. His character explores themes of leadership, friendship, and responsibility.