Dantavakra was the king of Karusha

Karusha Kingdom

Karusha Kingdom was one among the many kingdoms ruled by Yadava kings in the central and western India.It lies to the south of Chedi. Karusha king Dantavaktra supported Chedi king Sishupala and was killed by Vasudeva Krishna...

 according to the Mahabharata

Mahabharata

The Mahabharata is one of the two major Sanskrit epics of ancient India and Nepal, the other being the Ramayana. The epic is part of itihasa....

 and the Puranas

Puranas

The Puranas are a genre of important Hindu, Jain and Buddhist religious texts, notably consisting of narratives of the history of the universe from creation to destruction, genealogies of kings, heroes, sages, and demigods, and descriptions of Hindu cosmology, philosophy, and geography.Puranas...

. According to the Padma Purana

Padma Purana

Padma Purana , one of the major eighteen Puranas, a Hindu religious text, is divided into five parts.In the first part of the text, sage Pulastya explains to Bhishma about religion and the essence of the religion. The second part describes in detail Prithvi...

 (VI.274.16-7), he was of Chaidya

Chedi Kingdom

Chedi kingdom was one among the many kingdoms ruled during early periods by Paurava kings and later by Yaduvanshi Rajput kings in the central and western India. It falls roughly in the Bundelkhand division of Madhya Pradesh regions to the south of river Yamuna and along river Betwa or Vetravati...

 lineage. According to the Vishnu Purana

Vishnu Purana

The Vishnu Purana is a religious Hindu text and one of the eighteen Mahapuranas. It is considered one of the most important Puranas and has been given the name Puranaratna...

 (IV.XIV.40), he was son of Vriddhasharman and Shrutadeva. He was an ally of Jarasandha

Jarasandha

Jarasandha was a great and legendary king of Magadha. He was the son of a vedic king named Brihadratha. He was also a great devotee of Lord Shiva. But he is generally held in negative light owing to his enmity with the Yadav clan in the Mahābhārata....

, a friend of Shishupala

Shishupala

Shishupala or Sisupala was son of Damaghosha, king of Chedi, by Srutadeva, sister of Vasudeva. Therefore he was not only cousin of Krishna, but also Krishna's implacable foe, because Krishna had carried off Rukmini, his intended wife...

 and an enemy of Vasudeva Krishna. At MBh 2:30 he is mentioned as the king of the Adhirajas. Pandava

Pandava

In the Hindu epic Mahābhārata, the Pandava are the five acknowledged sons of Pandu , by his two wives Kunti and Madri. Their names are Yudhisthira, Bhima, Arjuna, Nakula and Sahadeva. Although, Karna is told by Lord Krishna that according to the laws and ethics he is the first son of Kunti making...

 general Sahadeva

Sahadeva

Sahadeva was one of the five Pandava brothers according to the epic Mahābhārata. He was one of the twin sons of Madri, who invoked Ashvins using a mantra shared by Kunti for a son. His twin brother was named Nakula...

defeated him, making him pay tribute, he then was re-installed on his throne. He attacked Dwaraka after the Rajasuya sacrifice (which he had not attended, to protest the killing of Jarasandha) to avenge Shishupala—and was killed by Krishna in a mace-duel.