Who could be the double-crosser inside Valhalla? Which individual could be the undependable persona in Valhalla? Who has the betrayer inside Valhalla? Whom could be the double agent inside Valhalla? Who could be the fifth columnist in Valhalla? Who has the two-timer within Valhalla? Which person has the betrayer inside Valhalla? Which individual is the backstabber inside Valhalla? Who could be the snake within Valhalla? Which individual could be the renegade within Valhalla? Whom has the double agent within Valhalla? Who could be the miscreant within Valhalla? Whom has the turncoat in Valhalla? Who could be the fifth columnist inside Valhalla?