Kermit the Grof
From Muppet Wiki
A gray monster with a pink nose, Kermit the Grof can be seen in a Sesame Street sketch in which Kermit the Frog is frustrated in his attempts to buy a personalized t-shirt from the T-Shirt Salesman. The sketch also features Kermit the Gorf and Kermit the Forg.
In another sketch he was also known as Bruce Monster.
