Pinefrost was one of the first cats in SorrowClan. Along with Sorrowstar, Rubytail, Jadetail, and Fogheart. He was originally a Rouge from RageClan. Pinefrost is silvery white with a black tail tip. his brother, Oakfrost RageClan, is the opposite. He is one of Sorrowstar's oldest friends and Medicine cat of SorrowClan.