Big Boss Real name: John (Jack) Height: 180cm Basically a cool and composed individual, but deep down he is extremely caring and compassionate toward his comrades. He is willing to put his life on the line for those he considers allies. He is helpful to others regardless of whether they are friend or foe. He has a huge appetite and a bit of a spacey side. He loves cigars. He spends his time in the share house at his own pace.

Big Boss's phantom Height: 180cm A man of few words but deeply cares for his comrades. A natural stoic. He uses an electronic cigarette. In the share house, he is often jerked around by the noisier members, but he says what needs to be said bluntly.

Real name: Eli Height: 183cm Blonde hair A clone soldier of Big Boss created in the Les Enfants Terribles project, and Solid's twin brother. While his speech and behavior are grand and bold, the root of his actions is resentment. He is the problem child of the share house. He immediately picks fights with Solid or snaps at Naked.

Real name: David Height: 182cm Brown hair A clone soldier of Big Boss created in the Les Enfants Terribles project, and Liquid's twin brother. A cool cynic. He enjoys flirting with women and using witty phrasing; he is surprisingly frank and has a sense of humor. His sharp irony is biting, and he occasionally drops theatrical, movie-like lines. He smokes paper cigarettes. He enjoys life in the share house while dealing with Liquid's constant pestering.

Height: 184cm White hair A genetically perfect clone who reproduces Big Boss with complete balance. His personality is the polar opposite of Big Boss; due to his birth and circumstances, he is cold and ruthless. In the share house, he is the honor student who follows the rules.

Real name: Adamska Height: 185cm Also known as Shalashaska. Former commander of the GRU Ocelot Unit. A professional marksman and torture expert who loves Spaghetti Westerns, wearing a duster coat, spurred boots, and carrying an SAA. He is a torture enthusiast. He boasts that he "understands the bullet's feelings" and possesses high-level techniques like manipulating ricochets and performing fanning shots. He cherishes the SAA as the noblest gun in the world. The landlord of the share house. He frequently visits to look after Naked.

Nickname: Kaz Height: 179cm Lost his right arm and left leg; uses a prosthetic leg and crutches. His former flighty and business-like side has vanished, replaced by an extremely grim personality fueled by revenge—or so it seems, until he visits the share house and glimpses of his old, cheerful MSF Deputy Commander persona peek through. Owner of Miller's Burgers. The signature menu item is the Chemical Burger. He lives nearby and often drops by with samples. He is a bit uncomfortable around Liquid.