The Calvin and Hobbes Wiki

A typical alien in a Spaceman Spiff comic.

Aliens are recurring characters in Calvin and Hobbes. They are frequently referenced and featured in Calvin and Hobbes. They are most prominent in Spaceman Spiff's adventures, but are featured in other contexts as well.

In the Spaceman Spiff universe

The following is a list of known aliens in the Spaceman Spiff universe.



Other aliens in Calvin and Hobbes