Roto-Wolf King is the leader of the Roto-Wolves and ruler of the Barbed Iron Forest.
He resembles a dark gray bipedal wolf with red eyes. His personal helicopter pack is red in color. His hands, legs and part of the tail are pale vermilion.
Roto-Wolf king is aggressive, prideful and determind. He is also a cold strategist, using one of his subject to lure out Lin Chung out of hiding. His race as a whole are considered fiercely territorial, of which is a model.
Despite this negative traits, he is willing to surrender after losing his title as king to Lin Chung and giving him acceptance as new pack leader. Lin Chung refused his offer and pledged to return his leadership if only he joined Big Green. Roto-Wolf King gratefully accepted. As a member of Big Green, he was shown to be reliable, honorable and loyal to Big Green.
Like his pack, he can fly with a helicopter back and launch claw bullets. He possesses sharp claws and teeth.
- He is classified as hero 061.