TWAIN

Set to 10 different clues across 10 published puzzles, most often "Huckleberry Finn" author — The New York Times, Monday, 11 February 2008.

5 letters

Every clue on record, most used first

"Huckleberry Finn" authoronce
The New York Times — Monday, 11 February 2008
Wit who wrote "When in doubt, tell the truth"once
The New York Times — Tuesday, 31 January 2006
"Tom Sawyer" authoronce
The New York Times — Monday, 12 May 2003
"What Is Man?" essayistonce
The New York Times — Thursday, 31 May 2001
Aunt Polly's creatoronce
The New York Times — Wednesday, 19 July 2000
Injun Joe creatoronce
The New York Times — Wednesday, 9 February 2000
The Finn manonce
The New York Times — Sunday, 3 January 1999
"Pudd'nhead Wilson" writeronce
The New York Times — Sunday, 13 August 1995
"Following the Equator" authoronce
The New York Times — Wednesday, 15 June 1994
"Roughing It" writeronce
The New York Times — Friday, 24 December 1993