Explaining Cartoons on Instagram: "DoodleBob first appeared in the SpongeBob episode “Frankendoodle,” where a magical pencil drops into Bikini Bottom and SpongeBob innocently draws a doodle version of himself. Instead of becoming a friendly companion, the sketch turns wild, chaotic, and barely understandable—armed with nothing but gibberish shouting and pure cartoon energy. The fun comes from how he behaves like a living glitch, bending the rules of SpongeBob’s world the same way a kid scribbles

SpongeBob SquarePants