You wait here, I'm going to go on a head.
A 20 dollar bill
Becuase his peckers on his head
Hint* it starts with P and ends with S. Pens! :D... wait what were YOU THINKING!!!
The doctor asks. "Patients, Doctor," replied the nurse. "Patients."
They picked letters out of a hat: C eh, N eh, D eh.
You go on ahead, I'll hang around.