Squirm the Worm

Squirm the Inchworm was an inch worm once owned by Greg Heffley only seen in Hard Luck. Greg referenced him when he found his mom's parenting books hidden in her closet.

Biography
Squirm the Worm was Greg's pet he found during an infestation. Greg would let him out of his jar so he can exercise. Squirm survived for a long time, but when Manny was taking his first steps, he killed Squirm by accidentally squashing him.