The Pit Boss is one of the main villains in the original series. He is the burly ruler of the Pits, deep craters dugged up by Limburger in the outskirts of Chicago. He uses an electric whip to keep his slaves in line.
He returns in "It's the Pits", where he continues to rule the Pits beneath where the Rump Mini-Mart was built. He presumably moved to Kansas City due to his final defeat by the Biker Mice and Four-By. After Limburger's defeat and exile by the Biker Mice, the Boss enslaved the Big Cheese and his good doctor to became bootlickers, In season 2 it's revealed he has 2 daughters.