Yeah, Leslie Winkle.
The answer to the question:
The Big Bang Theory Season 1, Episode 13
There won't be any room until they get rid
of the permanent Leslie Winkle exhibit.
The Big Bang Theory Season 2, Episode 6
...or as I call it, the Leslie Winkle
Experimental Methodology.
The Big Bang Theory Season 2, Episode 2
...why doesn't he have to support me
in my hatred of Leslie Winkle?
The Big Bang Theory Season 2, Episode 2
We can't ask Leslie Winkle.
The Big Bang Theory Season 1, Episode 13