None: Leos are so enthusiastic they carry their own light.
One.
Just one guy with a really weird fetish.
Electricity.
With one he turns off the light, With the other he checks if the window is closed
It was on a strict diet of worms. edit: changed pronoun to avoid ambiguity
To get to the other side
Seven. Six to carry the casket and one to drag the body
Because the horse was too heavy to carry.
When he takes out the trash
Because it would've torn Leo up to receive another Oscar loss