Bhagavad Gita 10.27

उरै:श्रवसंश्वानां विद्धि माममृतोद्भवम् |
ऐरावतं गजेन्द्राणां नारायणं च नाराधिपम्

Translation

Amongst horses know Me to be Ucchaihshrava, begotten from the churning of the ocean of nectar. I am Airavata amongst all lordly elephants, and the king amongst humans.