During the 1970s, he was seen in minor roles on the TV shows M*A*S*H and Saturday Night Live, and appeared on Broadway in two roles in the original 1976 production of Stephen Sondheim's Pacific Overtures.
He is best known to American comic book readers as a writer and editor for Marvel Comics, where he wrote the licensed comic book series G.I. Joe, A Real American Hero, based on the Hasbro action figures. He has also written for the series Wolverine, Nth Man: the Ultimate Ninja, and Elektra. He created the character Bucky O'Hare, which was developed into a comic book, a toy line and television cartoon.
eBook G.I. Joe