Rez

Rez was a Human male who was orphaned and put in an escape pod and crash landed on Laylora when he was a baby. He met the Tenth Doctor and Rose when he was in his mid twenty's. He was a skilled huntsman and dressed as a Witiku in order to full his hunt. After defeated the Witiku he went of with Petra Shulough and her crew. She acted as a mentor for him. (NSA: The Price of Paradise)