It only takes two mice to screw in a light bulb. The hard part is getting them in there.
Two, as always.
Is dark. Bulb is potato.
FIND OUT NEXT TIME ON DRAGONBALL ZEEEEE! (I really hope this isn't a repost)
A: Only one but it may take him/her more than five years to do it.
Son, if at first you don't succeed, Try Hard. If that doesn't work, Try Hard 2. If that still doesn't work, Try Hard with a Vengeance. Remember, you can't pick between the choice to Live Free or Try Hard. They go together. Everyday's A Good Day to Try Hard."
The ground!
A: He wanted to feed the mouse.
Because he's not a rat.