Question: Which company did the self-traught illustrator of a children's book series, based on twelve-year-old orphaned twins who cause mischief and mayhem in their sickly sweet town, Nod's Limb, co-found?
Sentence (from "The Amazing World of Gumball (season 5)"): The series focuses on the misadventures of Gumball Watterson, a blue 12-year-old cat, along with his adopted brother, Darwin, a goldfish.
Relevant evidence: No