Bleda

Bleda was the son of Mundzuk and brother of Attila the Hun. Bleda was killed by his brother at some point before 451 AD.

During the encounter with the Thirteenth Doctor and Team TARDIS, Attila introduced himself as "Bleda, Commander of the Ten Thousand Horsemen, right hand to the king" to hide his real identity. (PROSE: Combat Magicks)