Shiva Purana
हालाहलो विरूपश्च स्वरूपश्च यमानुगः ॥ एकपादस्त्रिपादश्च तीव्रश्चाचीवरं तमः ॥ ४२ ॥
Halahala and Virupa and Swaroop followed Yama , 1999 . One foot three feet intense and darkness.
english translation
hAlAhalo virUpazca svarUpazca yamAnugaH ॥ ekapAdastripAdazca tIvrazcAcIvaraM tamaH ॥ 42 ॥
hk transliteration by Sanscript