Foxhound… use nanobots
Meryl's elite soldier unit Rat Patrol Team 01 (FOXHOUND), use nano technology to co-ordinate/react wordlessly mid-battle.
Vamp… is immortal, but not scar proof
Vamp's killed - three times - in MSG2, including a head shot (hence the scar), but refuses to die. In MGS4, he's in the chopper with Naomi, so we guess he's working for Liquid, still fighting The Patriots. The secret of his revival? Every time he "dies" in MGS2, he's touched by water…
Metal Gear Solid's former art director once said he spends "a lot of time fussing over the details of the characters' backside since that's the side the player sees most in-game"
In 1997, Hideo Kojima said the "one thing" he wanted to avoid in Metal Gear Solid was "tedious" cutscenes with characters "blabbering at each other for 4 or 5 minutes"
