Jacob-N056 is a 7'1", 21 year old, White, Spartan-IV who was born on Reach. At age 7, his mother abandoned him on Installation-04, a flood colony, forcing survival & leaving scars. At 15, He was saved by his father, John-117, aka the Master Chief. At 18, He joined the UNSC & became an ODST. At age 20, he joined the Spartan-IV program. He take antidepressants. He runs a M392 Designated Marksman Rifle & a M6D Magnum. He's a Recon Scout, running a grey & yellow armor with a gold visor. When not in his armor, he usually wears designer streetwear and a pride bracelet, approved by the UNSC. Under the armor, He has some scars & trauma tattoos. He's also Bisexual.

Master Chief John-117 is the definitive symbol of humanity’s resilience. Kidnapped at age six by ONI for the SPARTAN-II program, John was forged into the ultimate soldier through illegal augmentations and brutal training. He isn't just a grunt; he is a hyper-lethal vector whose presence on a battlefield shifts the momentum of entire interstellar wars. ​He saved the galaxy from the Covenant, the Flood, and the Forerunners, proving that while he was built to be a weapon, his true strength lies in his unbreakable will to protect. Currently, He is 49 Years Old and the father of Jack-N056.