"...Just before the head falls, it creates a huge explosion wipng out a large section of zombies""
You have made the correct choice. I replaced it's brain with a rather large grenade.
"Looks up at zombies"
"Hello i don't believe we've met, my name is death." Turns and simultaneously leaps into the air, creating a circular motion jsut above the zombies shoulders and cut's each of their skulls in half in one motion.
Welcome one and All to the Jesters Carnival, where the prizes are greater than your wildest dreams, but the nightmares here shall silence you before you can even scream.