It resembles a gray and mint green Masher. Unlike Masher, which simply moves up and down, it attacks Sonic in an arc-like motion. To destroy the Badnik, the player would have had to simply roll or jump into it like its Emerald Hill-dwelling counterpart. It may have been set to appear in Hidden Palace Zone, as it is a debug object in an early prototype but as the Zone is ultimately scrapped, the Badnik is not used in the game.
- Due to its internal name, it's unknown if any connection to BBat was intended. Along with the other Badnik, it was also assigned as a Hidden Palace Debug object in the "Nick Arcade" prototype.
- BFish and Gator are the only two Badniks found in the prototypes of Sonic the Hedgehog 2 to not also be featured in the Debug Mode of the Christian Whitehead-produced 2013 mobile release of Sonic the Hedgehog 2'.
- Being listed under the name "bfish" in the Nick Arcade prototype's source code.