April Fool's MaraHistory

The following are the April Fool's history on Marapets as far as I've been able to find. Thank you to players' input, News, and personal knowledge for being able to put this list together somewhat. If you are aware of one on here that says nothing happened, please help me fill in the blank:

2004 Nothing, as Mara was released in August.
2005 None
2006 Fake Gonk pet released as spoof, later released as real pet.
2007 King Baspinar and Queen Eleka's fake wedding.
2008 None
2009 April Fool's Avatar.
2010 None
2011 Intellectually Challenged Treasure Map and Kay pet spoof. Kay re-released as Hibi Trading Card, changed to Snot Trading Card.
2012 None
2013 Ian did the Chubs spoof.
2014 Zetzilla ate the pets' heads off for a fake event.
2015 Awarded the April Fool's 2015 Avatar.
2016 None
2017 Marapocalypse (Idea - Bootleg Pets)(Result - Chibs Re-Vamp, Re-Vamped Again the Next Day)(Bootleg Costume later released via AU).
2018 None
2019 None
2020 Ian pulled an April Fool's in May with the Wizard Hat that enveloped our Dolls