Characters who have appeared only once.
Pages in category "One-Time Characters"
“ Calvin In Dog Form is a minor alter ego of Calvin's. He appeared in a single weekday strip as an...
Calvin in Dog Form
“ Charlie is a character mentioned in Calvin and Hobbes. He is mentioned in multiple story arcs.
“ Jessica is one of Calvin's classmates, a close friend of Susie. She is never seen in person...
“ The Hideous Blob is an alien in the Spaceman Spiff universe. It was featured in a single Sunday...