Glorification of Visnu's Greatness - Verse 72-73

At the time of the manifestation of the other (i.e. Prthu) Brahma himself was the priest. In the fourth Yuga, when Asuras 2 were in distress, he was bom within the ocean for the purpose of killing Hira^iyakaSipu8 . The second (incarnation was that of the terrible Narasimha, keeping Suras at the head.