Bob is a not-so-successful psychopathic killer.He claims he's 'all murdered out' but I'm not quite so sure.
“No children have ever meddled with the Republican Party and lived to tell about it.”
Lisa:Umm, do you know what you're doing? Bob:Lisa, you don't spend ten years as a homicidal maniac without learning a few things about dynamite.
"How ironic. My crusade against television has come to an end so formulaic it could've spewed from the Powerbook of the laziest Hollywood hack ..."
Cecil: I am aware of your felonious past, but you are still my brother. And blood is thicker than blood and water. Sideshow Bob: You don't have to worry about me, brother. I'm all murdered out.
Selma: That MacGyver's a genius. Sideshow Bob: First of all he's not a genius, he's an actor. And second, he's not much of an actor. Selma: You're lying! You're lying! Sideshow Bob: No Selma, this is lying: that was a well-plotted piece of non-claptrap that never made me want to retch!
"Attempted murder? Now what is that? Do we give a nobel prize for attempted chemistry?" (suggested by whooshehs2)