
and left an ELF costume
in my locker.
The Big Bang Theory Season 5, Episode 11

You're beating me in Tetris, but you've got
the upper body strength of a Keebler ELF.
The Big Bang Theory Season 1, Episode 16

...whereas an ELF
is an immortal, tall warrior.
The Big Bang Theory Season 1, Episode 6

Not yours, mine, you punk-ass ELF.
The Big Bang Theory Season 6, Episode 6

Warlord beats troll, troll beats ELF,
ELF beats water sprite...
The Big Bang Theory Season 3, Episode 5