Gustavo is a small person with beady eyes, a big nose, brown hair, and a brown moustache. He wears a brown shirt and a white apron. He also wears a chef's hat, brown pants and shoes. He is generally shown to be a nice person who likes to help others, but he has also been shown to get angry at times. In McPig's words, "Gustavo is super friendly, but don't disappoint him, he'll get back at you." He sometimes nicknames himself "Gugavo".