What nicknames do you/your friends have for killers?

Sazanka

I personally call Michael "Macklemore", Doctor "Giggles", and Legion "Teenagers by MCR". 

Karma118

Me and my Girlfriend call The Wraith "Bing Bong"

Drummerman74

Every time we play against the Huntress, my wife always says "Great, it's that humming #########!" LOL usually followed 45 seconds after by " And she's on me!" ...the humming really annoys my wife!

Awakey

Bing Bong Boi and Soggy Ham.

There's a story behind the last one.