Historical clue formulations

• Vocal critic — 2026-08-07
• One who's not a fan — 2021-10-07
• Member of a tough crowd, say — 2020-08-03
• Rude one in an audience — 2020-07-16
• Rude person in the bleachers — 2019-07-09
• One voicing displeasure — 2005-06-28
• Unhappy spectator — 2000-07-09