For 10 points, name this "Scourge of God" that ruled the Huns.
At the age of twelve, this man was sent to the court of Emperor Honorius as a hostage, while his people received Flavius Aetius in return. After Ruga's death, this man became co-ruler with his brother. This man threatened to sack the Eastern Roman Empire after the bishop of(*) Margus desecrated his people's burial sites, and this man's conquest of the Western Roman Empire was ended after an alliance between Rome and Theodoric's Visigoths halted this man at Chalons ["SHAH"-loan]. For 10 points, name this "Scourge of God" that ruled the Huns.
At the age of twelve, this man was sent to the court of Emperor Honorius as a hostage, while his people received Flavius Aetius in return.
{Attila} the Hun