Starburst

General
Starburst is a strange glowing caterpillar Jack finds on the side of the dumpster and grows attached to.

Appearance
Starburst looks like a giant tomato caterpillar, about 8 inches long. It seems to glow, and looks like a children's toy. It appears to be wet or slimy, but is actually soft to the touch, likely covered in fine hairs.