I got a few:

-> Chuck norris is the reason Waldo is hiding.

->Chuck Norris has been to Mars;Thats why there are no signs of life.

->Kids pee thier name in snow,But Chuck Norris Pees his name in concrete.

->Superman & the flash once had a race around the world.You know who won?Chuck Norris.

->Chuck Norris once leaned agaist the tower of Pisa....

->Chuck Norris can count to infinity....twice.

->Chuck Norris was originally in the cast of "The Expendables",but the movie was only 3 seconds long because there was nothing left to kill.

I have more but does anyone know any that I havent seen?