Chapter 10 · verse 28 · gita.yoga.org

Bhagavad Gita 10.28

आयुधानामहं वज्रं धेनूनामस्मि कामधुक्। प्रजनश्चास्मि कन्दर्पः सर्पाणामस्मि वासुकिः

Among weapons, I am the thunderbolt; among cows, I am the wish-fulfilling cow called Kamadhenu; I am the progenitor, the god of love; among serpents, I am Vasuki.