Hector Hammond is a DC Universe supervillain who is primarily an enemy of Green Lantern. The character was created by John Broome and Gil Kane, and originally appeared in Green Lantern (vol. 2) # 5 (March-April 1961). Unlike many supervillains, Hammond does not use an alias. Peter Sarsgaard played the role of Hammond in the 2011 film Green Lantern.
Read more about Hector Hammond: Fictional Character Biography, Powers and Abilities