Try-it Out is the test pilot of Cobra, that tries the deadly weapons of Cobra when they're still in development stage. He was chosen by his fearless attitude, and by his incredible luck in escaping certain death.
Recipe; Cobra Commander v1 head, Hiss Driver waist, torso and arms and Wild Bill VvV legs.
The mission of the Fog Vipers is to extend smoke clouds whenever the battle is unclear for Cobra, making possible a retreat or a counter-attack through the thick mist. They also can be used to sneak into bases or other military complexs. Their camo is made to make them recognizable to other Cobra forces and avoid friendly fire.
Here is the White Shark, a modified Cobra Water Moccasin (1986). I have added guns from the General and other small improvements, and repainted it with a White Tiger scheme for the Oktober Guard.
The Snow Vipers are the high-rank Snow Serpents, with a camo for making them recognizable in heavy arctic storms and pilot of the SSAV. This is a concept I did to reuse a damaged GI Joe vehicle.
Goldadder is a mysterious strategist that appeared on the midst of a battle nearly lost by Cobra, where he saved Cobra Commander and Serpentor of sure defeat and capture or death. Since then this mysterious character is a respected member of the high spheres in Cobra.