Main article: Pets (Online)
"The Copperback variant of the Markarth Bear-Dog is renowned for its responsiveness to training, but keep an eye on it, or it will get into all sorts of mischief. Especially keep an eye on its eyes, which are two different colors!"
―In-game description[src]

Copperback Bear-Dog is a pet dog in The Elder Scrolls Online currently available from Dwarven Crown Crates as a legendary reward.