I remember watching this from time to time and while it wasn't great, it was ok. There're a few funny moments here and there brought on by the group's incompetency one way or another. The show focuses on a group of wannabe supervillains who's schemes don't get them very far.
Needless to say, this leads to some very interesting hijinks. Probably the funniest one is when they do everything they can to get out of paying the pizza boy in one episode. In spite of their ingenuity, by blind luck and sheer ignorance the pizza boy prevails in the end.
The voice acting's pretty good. The characters work well off each other and can lead to some funny scenes. The animation's cel-shaded which lends the show an interesting feel. It's not one of CN's best but it's ok. If you have kids, I think they'll enjoy it fine.