CHIMP

Set to 7 different clues across 7 published puzzles, most often “Zoo attraction” — The New York Times, Sunday, 7 March 2010.

5 letters

Every clue on record, most used first

Zoo attractiononce
The New York Times — Sunday, 7 March 2010
Curious George, for oneonce
The New York Times — Thursday, 9 October 2008
Early "astronaut"once
The New York Times — Friday, 10 August 2007
Cheeta, in "Tarzan" filmsonce
The New York Times — Monday, 18 June 2007
Early astronautonce
The New York Times — Sunday, 10 April 2005
Sign language communicator, maybeonce
The New York Times — Wednesday, 12 January 2000
Early rocket traveleronce
The New York Times — Wednesday, 2 July 1997