The Story about the different Cobra troopers collectively known as...VIPERS.Cobra may be an evil terrorist organization, but let's be honest—their troopers are some of the coolest action figures ever made! From the classic blue-clad grunts of 1982 to the monstrous Bio-Vipers of the ‘90s, I'm covering every Viper to ever slither into the GI Joe universe. Who were the deadliest? The weirdest? The most bizarrely fashionable? And seriously—what was up with those Hydro-Vipers?!