The Super Turbo Undercover Fighting Force, also known as S.T.U.F.F., was an agency started by Jack Rabbit. Jack Rabbit would drain secrets from other secret agents' brains, and sell them to bad guys to pay for the agency (and Jack's greed). The agency was only seen in The Wrong Stuff.
- S.T.U.F.F.'s headquarters looks similar to T.U.F.F.'s building with the addition of an "S" to the top of the building and having an orange color instead of blue.
- It is unknown whether it will appear in the series again or not.
- The acronym is a pun on the word "stuff".
- S.T.U.F.F. is similar to the agency G.L.O.O.M. in many ways:
- Both organizations are currently defunct.
- The leader of the organizations are antagonistic characters.
- There both spun-off of the original series' organization only bigger and better.
- Both corporations are 5 letter acronyms opposed to their previous organization's four acronyms.