This is the character. For the episode, click here.
The Gut Grinder appears in the episode "Gut Grinder." It looks similar to Jake, but has darker, scruffier fur, which is made of cloth, not skin. The Gut Grinder's eyes undulate in a black and white pattern, similar to Jake when he's petted. ("Gut Grinder" is also the first episode that is observable on Jake). Its true identiy is Sharon.