Calvin’s alter-ego, Spaceman Spiff, fought off dastardly aliens and kept his imaginary universe safe. The two friends often climbed aboard the Transmogrifier, a cardboard box that could turn ...

He didn’t like school, so he fled it as Spaceman Spiff. Bathtime, a nightmare for small children, saw Calvin turning into a tub shark or being attacked by a bubble-bath elemental.

Calvin and Hobbes helped inspire the original pitch for Ratchet and Clank through Spaceman Spiff, Calvin's imaginary alter-ego.

Hell, that’s not even a particularly funny/memorable Calvin & Hobbes. I can only imagine how much one of the classic T-Rex or “Spaceman Spiff” Sunday strips would have sold for.

Calvin’s adventures as Spaceman Spiff serve as yet another reminder that my imagination has waned in my old age. I can barely entertain myself with an iPad for long periods of time, nevermind a ...

He turned himself into a Tyrannosaurus rex , Calvin the Human Insect, Calvin the Bug, Captain Napalm, Stupendous Man and Spaceman Spiff.

I think now one of the reasons why fans still hold Calvin & Hobbes in such high esteem is that it hasn't been watered down. We see Calvin and Hobbes in the books, and that's where they belong.

So, if you're looking for a quick fix that will take you back to those bygone days of Spaceman Spiff and Chocolate-Frosted Sugar Bombs, look no further than these 11 books. 1.

A six-year-old boy named after a 16th century philosopher whose attitude is matched only by his imagination. A stuffed anthropomorphic tiger. Calvinball. Spaceman Spiff. Killer snowmen. G.R.O.S.S ...

After years of fighting, Watterson finally gained full rights to “Calvin and Hobbes” in early 1991, thus ensuring that toy company’s dreams of Spaceman Spiff underpants and stuffed Hobbes ...

The Tiger Strikes Again After an Early Bedtime, Calvin and Hobbes Are Up and Running in a New Collection October 3, 2005 More than 19 years ago Summary By Neely Tucker ...