Who would win in a fight between:
Dr Who is the last of the Time Lords, he is a time-travelling humanoid alien possessing a sonic screwdriver and a TARDIS which allows him to move in space and time. He does not die, just regenerates into a different body. This doesn't necessarily mean he wouldn't lose a fight though...
Chuck Norris is an American martial artist and actor. After serving in the United States Air Force, he began his rise to fame as a martial artist, and has since founded his own school, Chun Kuk Do.