His electric prod/staff attaches to his back which is pretty neat so he can use his hands to lunge forward at folks that he's just trying to give a hug to.
That snake helmet isn't an actual accessory that he came with - just something we have around the house that looks cool on certain figures. We don't remember what it's from, but we know it's something stupid rare. You'd have to ask Steve what it is. That's what we did.