Grum made his first appearance in Mortal Kombat Blood And Thunder #2. Grum entered the tournament in hopes that he would get his chance to fight and defeat Goro. Grum first battle was with Sub-Zero, Grum was quickly defeated by the ice ninja.
Grum is a six-armed Shokan warrior from the Outworld province of Katala. he was featured in the Malibu comic Blood and Thunder #2, he was defeated by Sub-zero in Shang Tsung's Courtyard