Neil Flynn, allso known as:

The Janitor.




Janitor: Door is broken. Every fifth time or so it don't open.
JD: Maybe there's a penny stuck in there.
Janitor: Why a penny?
JD: I don't know
Janitor: Did you stick a penny in there?
JD: No, no. I was just making small talk.
Janitor: If I find a penny in there - I'm taking you down.

later


Janitor: (holding up a penny as JD walks past) I'm watching you ...