Parallax
Comic book character
Parallax is a supervillain appearing in American comic books published by DC Comics, primarily as an enemy of the Green Lantern Corps. It is the embodiment of the emotion of fear, and serves as the power source for the Sinestro Corps. Wikipedia
Movie: Green Lantern
Creators: Geoff Johns, Ethan Van Sciver, Ron Marz, and more
Played by: Clancy Brown
First appearance: Green Lantern (vol. 3) #50 (March 1994)