Long ago there was an argument of merging monster and items into one structure/class even. This would allow to wield a snake and try to make it bite your oppenents
In Teemu you can pick up some monsters (grab them with 'g') and throw them, but you can't wield them as a weapon. I think you could actually grab the monster while it's fighting you, but I don't remember was it possible or not.. yeah, it's my game