"Garrison's cats, Catthew and Patches are thriving ... "Janelle and I are deeply saddened to announce the loss of our beautiful boy Robert Garrison Brown," Kody wrote in an Instagram post.

The British black and brown cat's elderly age of 26 is equivalent to approximately 120 human years Skyler Caruso is a Writer and Reporter of PEOPLE Digital Entertainment. She joined PEOPLE in 2021 ...