The very first Norns, released in the game's earliest stages, were named Ron and Eve. The Ron Norns species, originally released in an expansion for the first Creatures game, were named after him.
The sound the Doozers make in Creatures 2 is a sped-up version of a backmasked clip of voices chanting a famous protest slogan: "HELL NO! WE WON'T GO!"
The Creatures series is heavy with references to Norse mythology; Nornir (or 'Norns') are female beings that rule the destiny of gods and men. Likewise, Grendel (the Norn's dire enemy in the game) are from the Norse epic of 'Beowulf', and jötunn (Or 'Ettin' in late English) are Norse giants of legend. The Shee, while part of Irish mythos rather than Norse, are still connected to the overall 'Norse' theme: tales of the Aes Sídhe speak of the Norse driving Scottish inhabitants underground to live in the hills, which contributed to the Changeling myth of West European folklore.