characters Ultragirl and Ultraman. Carlson used one of the pinups as the inside front cover to Megaton #5, and Liefeld's Ultragirl pinup in the company's Who's Who-type reference book Megaton Explosion #1 (June 1987). The book also featured an entry for Liefeld's own creation, a team of superheroes called Youngblood, the very first appearance of that team in print.

Carlson and his colleague Chris Ecker later met with the teenaged Liefeld, who at that