Munchstache has a purple body with a long dark purple head. He has a single eye and a large dark purple jaw, with three sharp teeth on the top of his mouth. He has a purple mustache, with each part on the side of his face. His arms are long and purple, with grey pincer hands. He has long grey legs with dark purple feet. He has two toes on each foot, both purple.
Little is known about Munchstache's past.
Munchstache was very impatient when his soda got stuck in the vending machine. He scolded Booger after he stole his soda, exiting the Kid's Club.