Kilowog is an alien super-hero in the DC Universe and a significant member of the Green Lantern Corps.
Origins
Before of being Green Lantern he was a gifted genetics scientist in his homeplanet. He was trained by Lantern Ermy then he trained the Lantern Hal Jordan. When he trained Hal, Kilowog was tough and mean like a military drill sergeant.
Tv shows
He comes out in Green Lantern movie and might come out in Green Lantern 2
equipment and power
Same as all the Green Lanterns flight, communication, forcefields, and create constructs out of his imagination