Kilowog (Green Lantern The Animated Series)

Kilowog is a Bolovaxian member of the Green Lantern Corps. He is a drill instructor, responsible for teaching and mentoring newly-recruited Green Lanterns in Oa. While he served the Corps, Kilowog's planet was destroyed, wiping out his people and most importantly his family. Kilowog continued to serve the Corps and became close friends with Hal Jordan, the Green Lantern of Earth.