Kurmapurana 1.18.14

Kūrmapurāṇa 1.18.14

triśirā dūṣaṇaścaiva vidyujjihvo mahābalaḥ /
ityete krūrakarmāṇaḥ paulastyā rākṣasā daśa /
sarve tapobalotkṛṣṭā rudrabhaktāḥ subhīṣaṇāḥ //