Penny.
The Big Bang Theory Season 2, Episode 13
Yeah, you tell him, Penny.
The Big Bang Theory Season 8, Episode 20
Penny!
Penny!
The Big Bang Theory Season 7, Episode 2
I disagree.
Penny is a strong, independent woman.
The Big Bang Theory Season 10, Episode 22
I'm so stupid, Penny. Duh."
The Big Bang Theory Season 6, Episode 6