Kirtimukha

A shivagana born of Shiva’s hair. He had 3 faces, 3 legs, 3 tails, and 7 arms. Shiva first asked it to survive eating pretabhakshana. But, later seeing his valour, Shiva decreed that whoever saw Shiva without first remembering Kirtimukha would be destroyed as per Padmapurana.