Greenland Undercover Fighting Force, also known as GR.U.F.F., is the Greenland counterpart of T.U.F.F. So far, it has only been mentioned and seen in Dog Save the Queen.
Trivia[]
- GR.U.F.F. is a pun of the actual word "gruff," which means roughness of speech or discourteous in speech.
- GR.U.F.F. HQ is a building painted color purple with a satellite tower on top of it.
- In the background showing GR.U.F.F. a fishbowl is shown resembling Cosmo, Wanda and Poof's fishbowl from The Fairly OddParents, another Butch Hartman show.