Two. One to change it and one to yell "Ta-daa!" when he's done.
Only one as the rest of the world simply MUST revolve around them...
Offswitch.
A: Er two. Or maybe one. No --- on second thoughts make that two. Is that okay with you
None, they just watch it burn out and follow it around for 30 years.
She kept on sitting on Pinocchio's face yelling "Lie to me... lie to me!"
A right a right a right!
An acrobat.
Phillip