Bhagwad Gita
Chapter 1, Verse 15
पाञ्चजन्यं हृषीकेशो देवदत्तं धनंजयः।
पौण्ड्रं दध्मौ महाशङ्खं भीमकर्मा वृकोदरः।।1.15।।
Then, Lord Krsna blew His conchshell, called Pancajanya; Arjuna blew his, the Devadatta; and Bhima, the voracious eater and performer of Herculean tasks, blew his terrific conchshell called Paundram.