Historical clue formulations

• Silly — 2021-08-05
• Gorillalike — 2020-11-01
• Imitative — 2017-04-30
• Copycatting — 2015-01-26
• Imitative — 2012-11-22
• Imitative — 2011-04-14
• Imitative — 2009-03-08
• Imitative in a silly way — 2007-11-20
• Imitative — 2004-11-21
• Quite silly — 2000-12-17
• Unoriginal — 2000-02-03
• Silly — 1999-11-07
• Imitative — 1999-10-19
• Silly — 1996-12-29
• Gorillalike — 1996-07-29
• Imitative — 1996-07-19
• Monkeylike — 1995-05-24