ET who once appeared on "Entertainment Tonight" (3)

I believe the answer is:

alf

(Other definitions for alf that I've seen before include "Sir - Ramsey, England footballer and manager" , "Great king briefly" , "-- Garnett, bigoted TV?character" , "See man" , "- Ramsey, England manager in nineteen sixty six" .)

I've seen this clue in The New York Times.

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