Rtas 'Vadum

Rtas 'Vadum (formerly 'Vadumee), nicknamed the Half-Jaw following the loss of two of his mandibles, is a very influential Sangheili commander and a high-ranking official in the Swords of Sanghelios. Rtas has become a hero among Sangheili for his bravery and leadership during the Great Schism. He was responsible for negotiating the alliance between the Fleet of Retribution and the United Nations Space Command. He is an ally of Sonic the Hedgehog and Cloud Strife.

Rtas 'Vadum formerly served as a Covenant Special Operations Commander in the Fleet of Particular Justice, led by Supreme Commander Thel 'Vadamee, before the Battle of Installation 04. At the dawn of the Great Schism, 'Vadum became a leading member of the Sangheili who seceded from the Covenant. Leading the separatist fleets, 'Vadum worked together with the newly appointed Arbiter, Thel 'Vadam, to aid the UNSC and defeat the Covenant Empire.