The "cannibalism" is literal: the Cannibal Cupcake consumes muffins, donuts, and croissants while whispering puns like, "You're looking crumby... I'll fix that."
The "Cannibal" element introduces threat, but the "Cupcake" neutralizes it into cuteness. Mr. Biggs adds a layer of paternal protection. The trio allows the brain to process the anxiety of being consumed (a primal fear) within a safe, fictional framework. It is horror for people who want to laugh immediately after screaming. cannibal-cupcake-and-mr-biggs
It is possible the "Cannibal Cupcake" moniker is being conflated with the aggressive, "cannibalistic" behavior of the FNAF Mr. Cupcake The "cannibalism" is literal: the Cannibal Cupcake consumes
The relationship between these two suggests a narrative or symbolic layer in Ronald Isley's work: Biggs adds a layer of paternal protection
So the next time you see a bakery display case, look closely. If one of the cupcakes seems to be staring back, and a man in a silk suit is lighting a cigar in the corner... run. Or better yet, ask for an autograph. Mr. Biggs appreciates good manners. The Cupcake... does not.