I've never viewed they shit they did to Bobo as particularly bad because it was clearly a bit and bobo didn't take it seriously. But if you ever listen to the segments where Bobo and and a chick are in the same room as Ant and Jim, the later two are despicable.

Aside from the usual "got a rod" tone to their voice, they behaved in a genuinely mean spirited way towards Bobo. The two mutants had to bully the retard with a chewed up dick because they're low self esteem zilches.