Historical clue formulations

• Off — 2023-03-19
• Rather eccentric — 2020-04-26
• Haywire — 2015-01-09
• Cuckoo in the head — 2013-11-05
• Off the wall — 2008-12-31
• Nutso — 2005-10-06
• Eccentric — 2003-08-10
• Cuckoo — 2003-06-17
• Eccentric — 1996-06-21
• Bats — 1995-12-22
• Off the wall — 1995-12-10