Pete.
Because he couldn't concentrate.
Because he suspected fowl play was afoot!
Fruit of the tomb
Because you can't bury them in the sky!
Because they often spend years at C EDIT: made it more punny
15 or 16
Twerky! I thought of that yesterday, apologies if you've heard it a thousand times already.
Rock is playing three chords for a thousand people. Jazz is playing a thousand chords for three people.
Church.
Russell. What do you call a man under a pile of leaves for thousands of years Pete.