Here's one from 9th grade, a couple years ago.
That mace has has a giant tungsten electrode for the tip, and a cord leading to a battery or a polarized capaciter, so when he strikes a target, it sparks like a low-intensity lightning bolt or an arc welding tool. If he attacks you, jump as he swings, so you aren't grounded when you get hit. It will reduce the electric shock.
I can't imagine why I chose "Méta-comit" for his name. I don't know what kind of throat he has, but I doubt he could even pronounce it.