In The Outlands, there is a Netherdrake-mounted Orc named Ja'y Nosliw, If you turn Nosliw backwards, it spells "Wilson" making his name Jay Wilson, who was the executive producer for the movie Dogtown And The Z-Boys (2002) and the editor for the movie Champion's Forever (1989).
Fly upside down:
Type /console pitchlimit 999 or any other number over "360" and you can fly upside down. Type /console pitchlimit 90 to return to normal.
Paris Hilton reference:
There is a Goblin in Shattrath City named "Harris Pilton".