| 2026-03-15 | Easily duped |
| 2025-10-13 | Easily fooled |
| 2025-03-29 | Like a mark |
| 2024-06-20 | Gullible |
| 2024-06-06 | Art style associated with Henri Rousseau |
| 2023-10-11 | Green |
| 2023-03-30 | Foolable |
| 2022-06-21 | Unwise to the ways of the world |
| 2022-04-08 | Easily had |
| 2021-11-07 | Wet behind the ears |
| 2019-07-01 | Easily fooled |
| 2019-04-09 | Green / Water from France |
| 2017-09-10 | Green |
| 2017-08-23 | Born yesterday, so to speak |
| 2017-07-09 | Green |
| 2017-03-28 | Easily fooled |
| 2016-11-09 | Born yesterday, so to speak |
| 2016-04-18 | Trustingly innocent |
| 2015-06-14 | Green |
| 2015-02-25 | Like Little Red Riding Hood |
| 2014-04-06 | Easily misled |
| 2013-10-02 | Simple |
| 2013-07-27 | Green |
| 2013-02-03 | Inexperienced |
| 2012-12-06 | Foolable |
| 2012-07-01 | Sucker-like |
| 2012-04-30 | Artless |
| 2012-03-16 | Born yesterday |
| 2011-10-11 | Born yesterday, so to speak |
| 2011-07-31 | Like Gomer Pyle |
| 2011-04-30 | Wide-eyed |
| 2010-12-16 | Unsuspecting |
| 2009-10-05 | Not knowledgeable in the ways of the world |
| 2009-08-23 | Green |
| 2008-09-10 | Too trusting |
| 2007-09-21 | Simple |
| 2007-08-15 | Ingenuous |
| 2007-08-13 | Gullible |
| 2007-07-06 | Gull-like |
| 2007-06-27 | Dewy-eyed |
| 2006-06-05 | Artless |
| 2005-05-15 | Easily fooled |
| 2005-04-10 | Green |
| 2005-02-07 | Unsophisticated |
| 2004-11-14 | Green |
| 2004-06-07 | Unsophisticated |
| 2003-07-27 | Guileless |
| 2003-07-13 | Easily taken advantage of |
| 2003-05-03 | Simple |
| 2002-09-28 | Foolable |
| 2001-02-25 | Born yesterday, so to speak |
| 2000-02-27 | Like a gull |
| 2000-02-13 | Unknowing |
| 1997-11-29 | Unaffected |
| 1997-03-03 | Innocent |
| 1996-10-26 | Unschooled, as an artist |
| 1995-12-31 | Green |
| 1995-12-08 | Like an ingénue |
| 1994-06-04 | Wide-eyed |
| 1994-05-22 | Unsuspecting |
| 1994-01-08 | Green |
| 1993-12-20 | Gullible |