Fan Casting Ninja Vipers in G.I.Joe: Call of Duty (A G.I. Joe Cartoon)

James Sie & Hynden Walch as Ninja Vipers-With ninjas like Storm Shadow, Slice, Dice, Black Dragon and Shadow Strike the need for an army of Ninja was on Cobra Commanders list. The Cobra Ninja Vipers are the elite representation of Cobra's new elevated level of ruthlessness. Only the most sinister and cunning Cobras are selected for duty as Ninja Vipers. They function as covert subversives who can "persuade" any foe to do their bidding by entrapping the individual in one of their patented martial arts maneuvers. If given the opportunity, Cobra Ninja Vipers could wreak enough havoc worldwide to seriously damage G.I. Joe's global operations.