Earthworm Jim Wiki
Large Gut

Large Gut (or Large Gutballs), as they are commonly called, is an enemy in the level Intestinal Distress, in the game Earthworm Jim. They appear as large, vein-covered yellow cells with three to four green holes in them. They have more health than anything else in the level, excluding the boss, Doc Duodenum. They do not have any direct attacks except bouncing up really high and then smashing the ground when they come back down. They never stop bouncing, and if Jim is under them when they land, he will take damage. Luckily, they are not terribly common, but not as uncommon as Pill Bugs.

Yellow gut