God said let there be light and Chuck Norris said "Say Please".
How many Amish does it take to change a light bulb?
None. Amish don't believe in light bulbs. God will provide light unto the world.
How many ayatollahs does it take to change a light bulb?
None. There were no light bulbs in the 12th century.
How many Klingons does it take to change a light bulb?
1) Two. One to change the light bulb and one to kill the other and take all the credit.
2) None. There is no honor in changing a light bulb, besides, a true warrior isn't afraid of the dark.
How many Ukrainians does it take to change a light bulb?
None. In Chernobyl, one just holds the bulb and it glows by itself.