Five Nights with the Imposters.

Red-: He has a red spacesuit. Kind (sometimes), serious, smart, brave, honest, calm, daring (a little), the biggest of the imposters. In his demon form, he has sharp teeth.
Yellow: - He has a yellow spacesuit. Kind (sometimes), sociable, cheerful, daring, calm (half-hearted), sometimes stubborn, brave. In his demon form, the glass in his helmet cracks, and blood can flow out and tentacles can emerge.
Green: He has a green spacesuit. He's creative, kind (sometimes), calm, serious, attentive, smart, daring, and brave. In his demon form, the glass in his helmet cracks, and there might be a hole in the glass that looks like a portal. (But it's not a portal!)
Pink: He has a pink spacesuit. He's responsible, daring, kind (sometimes), smart, not very sociable (almost), calm, honest, and a little serious. He has a demonic form, which also means the glass on his helmet cracks, and the glass can be made of alien eyes.