Heterochromia

Heterochromia is a rare condition that some people have, it means that one of their eyes is a different color than the other. They can either have 1 green, hazel, blue, or gray, then the other eye will be a different color. It can be for both males and females and including animals like a car and dog. Kate Bosworth who starred in "Meet The Titans" and "Superman Returns" has the same condition also.