Pendleton Ward is the creator of the Cartoon Network show Adventure Time . He provided the inspiration and cover art for A PICTURE OF FINN FARTING by drawing a picture of Finn farting with the three descriptive words being: "Poop. Butt. Fart.". He also provided some vocals in the song "DON'T QUIT FRIENDS" by Renard on the album ROBOT BRAINSTRONAUT BLASTOFF!!!, this time Ren getting the inspiration from Andy Ristaino, another Adventure Time writer.