TV series example of the word

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
There's no Leo. How can you say that?

The Big Bang Theory Season 1, Episode 10
I am Sheldon's cousin Leo.

The Big Bang Theory Season 1, Episode 10
Hi, Leo, how are you feeling?