We're not sure, they've yet to see the light.
a Basilian.
Just one, but the light bulb really has to want to change.
Arrr son!
A: None: Leos are so enthusiastic they carry their own light.
N! One to change the light bulb, and n-1 to display stereotypical behavioral traits of X!
All three of them.
The heretic kept crossing the warp