TAZ

Set to 2 different clues across 3 published puzzles, most often “Looney Tunes nickname” — The New York Times, Sunday, 12 July 2009.

3 letters

Every clue on record, most used first

Looney Tunes nickname2 times
The New York Times — Sunday, 12 July 2009
Devil in Looney Tunes cartoons, informallyonce
The New York Times — Monday, 16 May 2011