|This character exists primarily or exclusively within the Sonic the Comic continuity.|
Information in this article may not be canonical to the storyline of the games or any other Sonic continuity.
Grack was a goblin and a companion of Prince Catalus.
He helped Catalus kidnap the fox cubs Jimmy and Jilly. When Tails came to rescue the cubs, Grack wanted Catalus to eat him, however Catalus struck Grack and instead deceived Tails into accompanying them to Castle Morbidden voluntarily.