Metal Gear Solid (see avatar) but I admit I kind of fell off the boat because I haven't played 5 yet.
Anyway, I didn't really like MGS4. I'm sorry everyone but it just wasn't as good as its predecesors.
Platinums: Red Dead Redemption, Killzone 2, LittleBigPlanet, Terminator Salvation, Uncharted 1, inFamous Second Son, Rocket League