
...on a 6-inch figurine
of Legolas the Elf.
The Big Bang Theory Season 2, Episode 23

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

No, it's too late. I see it.
That ELF sticker says "To Sheldon."
The Big Bang Theory Season 2, Episode 11

You do make a cute ELF.
The Big Bang Theory Season 10, Episode 12

Keebler ELF?
I got a Keebler ELF right here.
The Big Bang Theory Season 1, Episode 16