Asura · Shakta · Pan-India
Karambha
Rambha's brother, who did tapas neck-deep in the water of the five rivers for a son and was drowned there by Indra in the shape of a crocodile.
Sources: Devi Bhagavata Purana, book 5, chapters 2 and 3 (Swami Vijnanananda, 1921; Wisdom Library) · see Karambha's web