"Sheldon Cooper"?
The Big Bang Theory Season 12, Episode 18
Dr. Cooper?
The Big Bang Theory Season 5, Episode 20
Dr. Winkle, what colorful name
did you call Dr. Cooper this time?
The Big Bang Theory Season 2, Episode 3
Dr. Cooper, over here!
The Big Bang Theory Season 10, Episode 24
Mrs. Cooper.
So nice to see you again.
The Big Bang Theory Season 5, Episode 6