Oh aye. I remember learning about that in biology at school. So that part of the curriculum finally came in handy. Penicillin has no real curative properties. It does however have mind-controlling qualities. Those who are diagnosed as 'allergic' to it are the chosen ones who will lead a worldwide rebellion against Zion and the NWO. That's what Eddie told me anyway.
No, they're great fun. Lost count of the amount of times I've deliberately jammed the finger of a glove in a door or whatever and pulled it out all floppy. The look on people's faces is priceless.
You should see my kitchen at parties trick involving a very large knife and some ketchup. I swear I almost had some burd almost fainting once.