Leo, this is Penny,
our friend and neighbor.
The Big Bang Theory Season 1, Episode 10
Of course not, there's no cousin Leo,
there's no intervention.
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?
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