Freddy: Freddybear

Jason: Jason's okay with anything

Michael: Mike or Mikey

Leatherface: Bubba

Hannibal: Dear

Norman: Norman likes any nickname

Ghostface: Babe

Jack: Jacky

Pennywise: Penny

Will: Will loves any affectionate nickname

Daryl: Darebear

I'm working on requests and so I'll get those out as soon as I can. The next one will be when he gets mad but chooses not to show it