
Mountain ELF.
The Big Bang Theory Season 4, Episode 23

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

I'm a rogue knight ELF.
The Big Bang Theory Season 1, Episode 3

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

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