• 
  Mia 2011 - 2022
• 
  Mickey Doogie 2004 - 2020
• 
  Miki 2006 - 2023
• 
  Miso 2016 - 2023
• 
  Miss Kitty 2008 - 2022
• 
  Missy 2009 - 2019
• 
  Missy 2004 - 2021
• 
  Mistee 2006 - 2020
• 
  Misty 2004 - 2020
• 
  Moo 5/23/2007 - 7/5/2021
• 
  Morris Fragoso September 2009 - March 12, 2022
• 
  Mouse 10/9/08 - 11/8/21
• 
  Mrs. Beasley 1995 - 2020
• 
  MU 2012 - 2022
• 
  Muffin unknown - 2019
• 
  Murray 2006 - 2021