This mahasiddha is easy to identify as he is accompanied by a small dog (he is said to have taken care of a sick dog out of compassion while he was living in a cave to practice meditation).
16th century, Tibet, Mahasiddha Kukuripa, ivory, published on enseercn.com
He sits on a tiger skin over a single-lotus base. His hair is rolled and fastened with a headband adorned with a small skull. He wears some jewellery including earplugs and has a low beard (along the jaw line).
On this Nepalese-style sculpture, his long matted hair is piled up into a conical chignon and adorned with a five-skull crown with side bows. His short dhoti is held in place with a belt. His elongated ear lobes are adorned with large earrings and his body is adorned with beaded (human bone) jewellery and a cross belt. He holds a skull cup in his right hand.