Catchclaw to-Ennien was a Sivaoan who made first contact with the United Federation of Planets. Catchclaw was the mother of Grabfoot to-Ennien, TooLongTail to-Ennien, WhiteWhisker to-Ennien and EagerTalker to-Ennien. She served as a doctor to her people. Her apprentice was called Jinx to-Ennien. (TOS novel: Uhura's Song)