A tan-skinned man with short, dark-brown hair, a thick beard, and a mustache. He wears a black long-sleeved shirt beneath a white apron decorated with orange-red stains and streaks. His outfit includes dark trousers and brown shoes. Beef has pointed ears and sharp canines because of being a vampire. Easygoing, humorous, creative, sociable, patient, and practical.

A pale-skinned man with slicked-back dark hair, a thick black mustache, and a small goatee. He wears a dark-brown suit with a white shirt, a red tie, and a yellow flower pinned to his lapel. His suit has a pocket square and a decorative gold chain, and he wears dark dress shoes. Mumbo has pointed ears and sharp canines, as he’s a vampire. Intelligent, technically minded, enthusiastic, socially awkward, self-deprecating, and unintentionally hilarious.