Based on available records, Gatchan features prominently across the broader *Dr. Slump* franchise, with established origins, abilities, and personality traits in manga, anime, and *Dragon Ball* crossovers. For the specific film *Dr. Slump & Arale-chan Ncha! Penguin Mura yori Ai o Komete*, however, documented materials focus exclusively on production details and thematic elements without referencing Gatchan's involvement or presence.