text: Motion captureBruce Thomas (Halo 4 and Halo 5)InformationFull nameJohnAliasS-117Nickname"Demon" (by enemies)"Chief" (by allies)TitleMaster Chief Petty OfficerOccupationUNSC SPARTAN-II Special ForcesAffiliationUnited Nations Space Command NavyFighting stylevariesWeaponvariesSignificant otherCortanaOriginEridanus IINationalityUnified Earth GovernmentBornMarch 7th, 2511 (age 46)