Rhaegal

Rhaegal is one of the dragons born on the Dothraki Sea, along with Drogon and Viserion. Commanded by Daenerys Targaryen, he was named for her brother, Rhaegar Targaryen.

Season 1
He is born along with his two siblings after Daenerys has their eggs placed on the funeral pyre erected for her deceased husband, Khal Drogo. As she rises unharmed from the ashes of the pyre on the morning following the funeral, he is cradled by Dany at the time.

Season 2
Rhaegal is taken along his "brothers" to Qarth. He is stolen by Xaro Xhoan Daxos, along with Drogon and Viserion. As Daenerys enters the House of the Undying to retrieve them, she eventually finds her three dragons chained. Pyat Pree attemps to chain her with magic claiming that her dragons make his magic strong, and that she makes them stronger, thus she will stay with them for an eternity. She whispers to her dragons the command of fire, and the three of them burn Pyat Pree alive, releasing his magic.

Physical appearance
His scales are dark green, and gold. His eyes are a bronze-colored.