Santa's helper (3)

I believe the answer is:

elf

'santa's helper' is the definition.
(I've seen this in another clue)

This is the entire clue.

(Other definitions for elf that I've seen before include "Mischievous creature" , "Robin Goodfellow?" , "Diminutive folklore creature" , "Hobgoblin" , "Malignant fairy" .)

I've seen this clue in the LA Times, the New York Times, The Star Tribune, The Telegraph, the King Feature Syndicate and the Newsday.

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