Every year during the Advent Calendar event, Chicken Smoothie releases special pet litters based off old designs with a new twist (ex. pets based on items).
First seen in 2009, these 'throwback' litters have recreated a multitude of site designs under different themes.
This guide will list each throwback pet alongside its inspiration. Pets are grouped by release year. The release dates of the original designs are listed below each pair.
This guide does not include Grown-Up PPS (GUPPS) pets. For a guide to GUPPS, click here.
For outcome names, see Pet and Litter Names.
For litters from 2014-2017, go here.
Advent Calendar 'Throwback' Designs
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2009
| Dog Lions
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| Archive
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by: Tess
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| These lions are based off the designs of previously released dogs.
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2010
| Dog Lions
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| Archive
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by: Tess
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| These lions are based off the designs of previously released dogs.
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2011
| Rat Dogs
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| Archive
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by: Selcouth, Satamoru, Solloby, Leurai, Tyr, moonlily
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| These dogs are based off the designs of previously released rats.
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| September 2008
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July 2008
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| July 2010
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November 2009
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| February 2010
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Christmas 2008
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| May 2010
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March 2009
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| September 2010
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January 2010
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| August 2008
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Christmas 2008
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| October 2010
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July 2008
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| July 2008
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January 2009
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| Christmas 2008
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April 2011
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| July 2009
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May 2009
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| April 2009
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November 2011
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| March 2011
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January 2010
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| Christmas 2008
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March 2010
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| February 2009
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November 2009
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2012
| Item Pets
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| Archive
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by: Selcouth, Pluma, Satamoru, PitchBlack, Leurai, Tyr, Spotty, Solloby,
Drizzle, moonlily, Captain Kaycee, Sorren Fey, Bernouli, Hekomi
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| These pets are based on various items.
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| Janary 2011 (Store)
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Christmas 2010
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St. Patrick's Day 2011
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August 2009 (Store)
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| Halloween 2011
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August 2009 (Store)
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Easter 2011
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Medieval Faire 2011
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| CS Birthday 2011
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Valentine's Day 2009
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Valentine's Day 2009
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Medieval Faire 2011
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| April 2011
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CS Birthday 2010
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Medieval Faire 2011
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June 2010 (Store)
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| September 2009 (Store)
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Christmas 2011
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Easter 2011
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Medieval Faire 2011
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| Halloween 2010
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Chinese New Year 2011
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Halloween 2010
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Valentine's Day 2011
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| August 2009 (Store)
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Halloween 2010
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Medieval Faire 2011
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Medieval Faire 2011
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| Easter 2009 & 2010
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Chinese New Year 2011
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Halloween 2012
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January 2011
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| Halloween 2010
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June 2010 (Store)
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November 2009 [1]
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CS Birthday 2011
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2013
| Blanket Pets
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| Archive
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by: Solloby, Jadeghost, PitchBlack, Drizzle, Chia, Sorren Fey, Spotty, SoulWings
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| These pets are based on the blankets covering various dog newborns.
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| January 2009
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November 2012
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| January 2009
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April 2010
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| July 2010
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July 2009
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| August 2009
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March 2013
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| September 2010
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May 2009
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| August 2009
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June 2013
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| Christmas 2009
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May 2010
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| July 2010
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April 2011
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| November 2009
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January 2010
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| Chinese New Year 2011
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October 2009
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| January 2013
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Valentine's Day 2009
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| October 2012
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August 2013
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| May 2013
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August 2010
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| August 2009
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July 2008
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| July 2008
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July 2008
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