Jameson Locke
From Halopedia, the Halo wiki
Template:Character Infobox Agent Locke is an Office of Naval Intelligence operative. At one point after the Didact's attack on Earth, Locke was evidently tasked with tracking down the Master Chief, John-117, and met with Arbiter Thel 'Vadam.[1]
Production notes
First identified in the Halo: The Master Chief Collection announcement trailer, Locke is to be a major character in the upcoming Halo 5: Guardians.