Kent Matthew Osborne is an American screenwriter, actor, animator, producer, and director. He has worked for such animated television shows as SpongeBob SquarePants, Camp Lazlo, Phineas and Ferb, The Marvelous Misadventures of Flapjack, Adventure Time, Regular Show and The Amazing World of Gumball, he has received multiple Emmy Award nominations and has won twice for Adventure Time. He is currently the head writer for the Cartoon Network animated series Summer Camp Island, which premiered in 2018, and is also co-producer and story editor for the Disney Channel animated series Kiff. He has also starred in several mumblecore films, including Hannah Takes the Stairs, Nights and Weekends, All the Light in the Sky and Uncle Kent. His brother is the director Mark Osborne. Osborne had replaced Walt Dohrn as a storyboard director and writer after Dohrn left SpongeBob to work on more DreamWorks films in 2002.

The Marvelous Misadventures of Flapjack is an American animated television series created by Thurop Van Orman for Cartoon Network. It premiered in the United States on June 5, 2008. It stars Van Orman as the voice of Flapjack, a naïve young man who was raised by a whale named Bubbie and is mentored by a crusty old pirate named Captain K'nuckles. Together the trio spend their days in Stormalong Harbor, where most of the show takes place, while getting into mishaps on the search for the elusive Candied Island.