Boris is working late in the lab (east wing of his castle) where his monster wakes up and starts dancing for some reason. It catches on and monsters come by to dance and receive "electrode jolts" from Boris. The party is such a hit that Boris can't even be there to greet you at the door so he simply says if you come by to say "Boris sent you."
  1. Zombies who were very early to the party
  2. Wolfman
  3. Dracula and his son (who gets upset later in the party that the Monster Mash has replaced his Transylvania Twist. Spoiler: later everything is "cool.")
  4. Igor on chains with his "baying hounds"
  5. Coffin-bangers RSVP'd and would be there any minute with their band "The Crypt-Kicker Five"