When in the level "Monster Marsh", in the village there is a Mabu named "Krueger" who after waking up, will say "I must not fall asleep... I must not fall asleep... oh I had better not be dreaming right now." I think this is a possible reference to A Nightmare On Elm Street.
Opinions?
---
I can survive scalding hot coffee and being whipped for 24 hours a day. Digestive biscuits or riot.