Lightbulb.
1.. 2.. 3.. BOOM
None. They just let it burn out and follow it around for twenty years.
Just two. It only requires that either the people are very small or the light bulb is very large.
Six: one to screw it in and five to cheer him on loudly while standing in front of other people's bulbs so no one can see them.
Mom : typing ... *gets married* *have kids* *gets old* *dies* *goes to hell* Mom: Fish, honey!
A football net !
Fish
Fish.