Ultraman Blazar is the titular hero of the series Ultraman Blazar. He was first known as a mysterious being sighted by Earth's astronauts, becoming an urban legend among them. He later bonded with the human Gento Hiruma, who later became captain of the newly formed SKaRD.
To transform into Ultraman Blazar, Gento uses the Blazar Brace. Gento can use the Blazar Stones in conjunction with the Blazar Brace. The Blazar Stones grant Blazar new abilities and/or weapons.