Historical clue formulations

• Jester, e.g. — 2009-05-31
• Comic, e.g. — 2007-11-01
• Class clown, e.g. — 2006-10-29
• Comedian, e.g. — 1999-11-14
• Comedian — 1998-01-24
• Entertainer — 1996-02-03