TV series example of the word

The Big Bang Theory Season 1, Episode 10
Whom most people call Leo, but he also answers to Lee.

The Big Bang Theory Season 1, Episode 10
...emotionally wrung out from the work of convincing Leo to go back into rehab.

The Big Bang Theory Season 1, Episode 10
Now, look, Sheldon's cousin Leo escaped rehab and he's in a Motel 8 in Long Beach.

The Big Bang Theory Season 1, Episode 10
Leo, this is Penny, our friend and neighbor.

The Big Bang Theory Season 1, Episode 10
Well, that's Leo.