CORTEZ

Set to 4 different clues across 5 published puzzles, most often “Explorer Hernando” — The New York Times, Monday, 10 May 2010.

6 letters

Every clue on record, most used first

Explorer Hernando2 times
The New York Times — Monday, 10 May 2010
"Lost" character Ana Lucia ___once
The New York Times — Saturday, 5 June 2010
He accompanied Velázquez to Cubaonce
The New York Times — Friday, 2 May 2003
Name in Keats's "On First Looking Into Chapman's Homer"once
The New York Times — Sunday, 18 May 1997