N! One to change the light bulb, and n-1 to display stereotypical behavioral traits of X!
gloves! nah don't know, it hasn't opened the present yet
An x-man.
One to change the lightbulb and one to drive down to Kent to pick him/her up.
Depends what you want it to change into...
Only one but they'll insist on going through about 5 bulbs before they find one that suits this particular room and situation.
You weren't there, man!
Neighbor
Because it is in the middle of TNT.
The Sithsonian.
If I've told you n times, I've told you n+1 times ..."