Mintkit is a small gray tom.
In Yellowfang's Secret Edit
Yellowfang's parents for some reason decided to have another litter in their old age, during the serial killer Brokenstar's reign, and hence Mintkit and Marigoldkit were born. They lived for a short while and were then KILLED BY A FOX NOT YELLOWFANG BROKENSTAR OH MY GOD YOU DICK
Yellowfang, Rowanberry, Marigoldkit