ayudhanam aham vajram
dhenunam asmi kamadhuk
prajanas casmi kandarpah
sarpanam asmi vasukih

Translation
Of weapons I am the thunderbolt; among cows I am the surabhi. Of causes for procreation I am Kandarpa, the god of love, and of serpents I am Vasuki.

Bhagavad-gita 10.28