Valus

A Cabal colossus in the Ma'adim Subterrane on Mars.
A Cabal commander that "rebelled" against his superiors and led the Broken Legion to the Reef. Imprisoned in the Prison of Elders.
Leader of Calus's forces on the Leviathan and one of his Shadows. Conquerered the Clipse. Killed by Ghaul during a failed assination attempt.
Liutenant of the Skyburners. After the disappearance of Ta'aun he and his shield brother Tlu'urn led an assault on one of the Dreadnaught's power cores.
From what Zavala can gather he commands the Siege Dancers from an imperial land tank outside of Rubicon.
Red Legion commander stationed aboard the Almighty. Launched an assault on Mercury and got trapped in infinite simulations.
Liutenant of the Skyburners. After the disappearance of Ta'aun he and his shield brother Mau'ual led an assault on one of the Dreadnaught's power cores.