Simplify the following text for a Grade 10 native English-speaking person.
Original: The show was created by cartoonist Thurop Van Orman who has worked as a writer and storyboard artist on Camp Lazlo , The Powerpuff Girls and The Grim Adventures of Billy & Mandy .
Simplified: The show was made by cartoonist Mark `` Thurop '' Van Orman , who has worked as a writer and storyboard artist on Camp Lazlo and The Grim Adventures of Billy & Mandy .