Historical clue formulations

• Eccentric — 2025-09-14
• "They're creepy and they're ___" (start of the "Addams Family" theme song) — 2020-10-14
• Like the Addams Family — 2010-11-18
• Crackpot — 2008-01-26
• Out there — 2007-08-03
• Offbeat — 2006-02-23
• Weirdish — 2002-10-29
• Screwball — 2002-10-28
• Nuts — 1998-12-02
• Eccentric — 1998-04-29