
Mustache is looking good
there, Sheldon.
The Big Bang Theory Season 5, Episode 4

...with your mother.
- I am. She's bleaching her MUSTACHE.
The Big Bang Theory Season 4, Episode 19

She's got a
bigger MUSTACHE than me.
The Big Bang Theory Season 5, Episode 24

Now, remember, a Vandyke
is a goatee without a MUSTACHE.
The Big Bang Theory Season 2, Episode 23

Really? Are you willing to draw
a MUSTACHE on your finger
The Big Bang Theory Season 5, Episode 3