Drogon

Drogon is one of the dragons born in the Dothraki Sea. Commanded by Daenerys Targaryen, he is named for her dead husband, Drogo. His scales are black.

Drogon is believed to be the reincarnation of Balerion the Black Dread, but Daenerys decided to give him a new name for his new life.

Birth

Mirri Maz Duur had said that to bring you life you had to give life, so Daenerys burned Drogo's body, along with the maegi Mirri Maz Duur herself and the three eggs to give life to Drogon, along with his brothers, Viserion and Rhaegal.