Pre-Super Genesis Wave
- The substance was first seen in Sonic the Hedgehog 2 in the Chemical Plant Zone. In the game it was called Mega Mack. However, in Sonic Generations, it was simply referred to as "pink water".
- The substance was also called a poison in the discontinued Sonic the Comic
- In the Sonic SatAM TV show, the roboticized Uncle Chuck described Mega Muck as being "one part quicksand, one part petroleum, [and] one part clay mud."