Just the 3 ninja penguin protagonists of card-jitsu snow of club penguin 
Vs.
Sludge was the first one, he lost his feathers, beak and face, he was once a sky blue penguin, but the mutation caused his feather and skin to burn, so he looks orange because his skin is burnt, he hates Gary because Gary's machine maked him like this
Double are two penguin fusionated, Jerry, who was Gary's assistant, and Daisy, they both got slammed onto the machines core, causing them like this
Shell is a glitched pe