Steve transforms into Bruce Lee's personality. Jaleel White and the real Bruce Lee share a birthday together (November 27th).
As Urkel changes into "Bruce Lee Urkel," the Chinese character on the machine stands for "Dragon," the symbol most associated with Bruce Lee.
David Lea, who plays the British guy in the bar with the long hair, is actually trained in several types of martial arts. He was also Michael Keaton's stunt double for the first two Batman films.