A landowner of Mātuvelanga and a supporter of Kupikkala-Mahātissa Thera. When Vattagāmanī, the king, was in hiding, the thera entrusted him to the care of Tanasīva, who, for fourteen years, looked after him, his queen, Anulādevī, and his two sons. Then, as the result of a dispute between Anulā and Tanasīva's wife, Vattagāmanī shot him dead. Mhv.xxxiii.52-65.