Glo-Bo is one of Donny's toys that he used for finger-painting, he once spread a bad case of Mystery Pox, which turned out to be paint that Donny had been using.
Looks
Glo-Bo is a light green monster with dark green polka-dots, six sky blue arms each with a green hand, 2 legs and light blue horns.
Quotes:
"I'm Glo-Bo!"