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.
Parallax in Green Lantern: Rebirth #3. Art by Ethan Van Sciver.
Kyle Rayner becomes Parallax's newest host. Art by Ethan Van Sciver.
The birth of Parallax. Interior artwork from Green Lantern vol. 4 #52 (May, 2010). Art by Doug Mahnke.
The Flash (Barry Allen) becomes a host of Parallax, from Green Lantern (vol. 4) #59 (November 2010)
The Sinestro Corps, occasionally known as the Yellow Lantern Corps, is a supervillainous group and analog to the Green Lantern Corps in the DC Universe. They are led by Sinestro, and derive power from the emotional electromagnetic spectrum of fear.
Cover to Green Lantern vol. 4 #21. Art by Ivan Reis.
The Sinestro Corps gathers on Qward.
Prominent members of the Corps, including (clockwise from top left): the Cyborg Superman (Hank Henshaw), Superman-Prime, the Anti-Monitor, Parallax (Kyle Rayner), and Sinestro. Art by Ethan Van Sciver.
A Yellow Power Ring