A devaputta in Tāvatimsa, who, because of his good deeds, excelled even Sakka in majesty. When he appeared in the streets of Tāvatimsa, Sakka fled in shame (DhA.i.426-7).
The Vimānavatthu (pp.74-5; VvA.318ff ) gives his past story which he revealed to Moggallāna. He had been a monk under Sumedha Buddha, but later, feeling disheartened, left the Order. When the Buddha died he was seized with repentance for having lost his opportunity, and paid homage to the Buddha's shrine and observed the precepts.