Proof is an American comic book series, published by Image Comics and created by writer Alex Grecian and artist Riley Rossmo. The story concerns John "Proof" Prufrock, a sasquatch, who works for a secret government organization. He hunts cryptids with his partner, Ginger Brown, and seeks clues to his past. The book was influenced by The X-Files and Tarzan. The first issue was released on October 24, 2007. Besides individual issues and trade paperbacks, Proof is also available on the iPhone and iPod Touch.