Hank Hall

Henry Hall is a fictional character that appears in American comic books published by DC Comics. He first appeared in Showcase #75 (June 1968) as the Hawk of the Hawk and the Dove. After that, he became known as Extant, and appeared in the limited series Zero Hour: Crisis in Time, as well as some related tie-ins. Long after that, he became the supervillain Monarch in the crossover event limited series Armageddon 2001.