Ad blocker interference detected!
Wikia is a free-to-use site that makes money from advertising. We have a modified experience for viewers using ad blockers
Wikia is not accessible if you’ve made further modifications. Remove the custom ad blocker rule(s) and the page will load as expected.
Pages in category "Characters in Calvin's imagination"
“ The Hideous Blob is an alien in the Spaceman Spiff universe. It was featured in a single Sunday...
“ Calvin appeared as a giraffe alter ego in a single weekday strip. In it, he extended his neck to...
“ Yukbarfs are an alien species in the Spaceman Spiff universe, featured in a single Sunday strip...