Historical clue formulations

• Expert in stealth — 2026-04-14
• One studied in the art of invisibility — 2026-02-01
• Symbol of stealth — 2025-08-14
• Stealthy assassin with a sword — 2025-07-15
• Stealthy Japanese warrior — 2025-07-07
• Fabled figure in feudal Japan — 2025-03-27
• One who historically didn't wear all black, despite popular depiction — 2024-06-25
• Strong, silent type? — 2023-12-20
• Japanese sneaker? — 2023-09-07
• Sword-wielding fighter of feudal Japan — 2023-04-12
• "American ___ Warrior" — 2021-09-28
• Assassin of old Japan — 2021-08-16
• Stealthy fighter — 2019-10-29
• "American ___ Warrior" (NBC competition series) — 2019-06-26
• Man in black, perhaps — 2016-01-15
• Storied assassin — 2015-12-10
• Japanese assassin — 2014-07-08
• Masked Japanese fighter — 2014-04-28
• Masked warrior — 2013-10-20
• Assassin in black — 2012-03-13
• Teenage Mutant ___ Turtles — 2011-10-03
• Masked warrior — 2010-02-07
• Japanese fighter — 2009-03-30
• Old Japanese assassin — 2006-11-27
• "Teenage Mutant ___ Turtles" — 2006-11-06
• Martial arts expert — 2005-12-22
• Martial arts expert — 2004-05-30
• Asian assassin — 2002-12-25
• Japanese fighter — 2000-11-20
• Early Eastern mercenary — 2000-09-03
• Stealth warrior — 2000-06-18
• Old Japanese mercenary — 1999-11-12
• Expert in martial arts — 1999-10-17
• Kind of warrior — 1999-03-26
• Black-clad mercenary — 1996-09-29