Raiden does not appear in ' but he is parodied throughout the game by debuting character Raikov. Raiden appears in a series of comical scenes in an early promotional trailer for "Guns of the Patriots", in which he fights for control of the franchise with Solid Snake. A sequel to the trailer titled "Metal Gear Raiden: Snake Eraser" was produced; Raiden travels to the past to assassinate Big Boss but fails comically. In the trailer's English version, Raiden is voiced by Charlie Schlatter (the voice actor for Raikov) rather than Quinton Flynn. Raiden's "Metal Gear Solid 2" version appears in the ' expansion pack as an unlockable character. His "Metal Gear Solid 4" incarnation appears as a playable character in "Metal Gear Online".