Historical clue formulations

• Muttonhead — 2025-10-04
• Dum-dum — 2025-04-15
• Meathead — 2021-11-22
• Blockhead — 2018-08-27
• Galoot — 2016-06-14
• Lamebrain — 2013-09-13
• Blockhead — 2012-03-04
• Blockhead — 2011-01-13
• Dullard — 2003-03-23
• Dolt — 1996-12-01