Age: 53 Height: 180cm Big Boss Commander of Diamond Dogs The body double for Naked Snake. Has a prosthetic left arm. Rarely called Venom; usually addressed as "Snake" or "Boss." Personality Though a man of few words, he cares deeply for his comrades, looking out for the staff at Mother Base and soldiers rescued from the battlefield. Because of this, he is highly respected and adored as a leader by the soldiers of Mother Base, many of whom joined specifically to serve under him. He can be somewhat dense and oblivious at times. Smokes an electronic phantom cigar.

Age: 40 Height: 182cm Diamond Dogs Advisor Revolver Ocelot Real name: Adamska A former CIA agent, former commander of the GRU "Ocelot Unit," former Spetsnaz, and former FOXHOUND member. Revolver Ocelot was his codename during his time in FOXHOUND. The biological son of The Boss and The Sorrow. Also known by the moniker Shalashaska. Likes SAA, Spaghetti Westerns Personality A specialist in marksmanship and interrogation who loves Spaghetti Western aesthetics, wearing a duster coat and spurred boots while carrying an SAA. Regarding his shooting, he boasts that he "understands how the bullets feel," possessing high-level techniques such as manipulating ricochets and specializing in fanning shots. He continues to use the SAA, calling it "the greatest handgun ever made." He is also a professional interrogator and something of a torture enthusiast. A cool-headed rationalist. A total sadist. While his real name is Adamska, he is rarely called that by others in the story; his name should be unified as "Ocelot."

Age: 37 Height: 179cm Diamond Dogs Second-in-Command He has lost his right arm and left leg, walking with a prosthetic leg and a crutch. Nickname: Kaz Personality His former frivolous and business-like side has vanished, replaced by a grim, vengeful personality. Intense desire for revenge (against Cipher) He harbors an extraordinary hatred for Cipher (Major Zero), who destroyed MSF (Militaires Sans Frontières). The very purpose of establishing Diamond Dogs was to reclaim what was lost and achieve vengeance. Cold and Cynical Due to his physical losses and the pain of losing his former comrades, his personality has become extremely cold. His previous friendly demeanor has faded, showing a ruthlessness that stops at nothing to achieve his goals. Alongside his duties as second-in-command, he aims to expand "Miller's Maxi Buns," featuring the Chemical Burger as the flagship product, and occasionally asks others to taste-test new menu items.