Annie Van Mousse is a recurring character appears in Monster Allergy who's one of Zick and Elena's classmates at Oldmill Village Elementary School. In the comic book series, Annie is shy and afraid of ghost stories, while in the animated series it was the opposite. It's implied that she is lactose intolerant, due to her fondness for soy-flavored soy ice cream. She is also shown to have a close relationship with David McMackamack like in the comics.