Diamond Diamond
About: A sister with a diamond gem on her forehead. Her first and last names are both Diamond. She has the nickname “Double Diamond”.
Species: One of the Diamond Family — a large family or colony of beings with gems embedded on their foreheads. They cannot die and do not visibly age.
Background: They used to live on a distant planet but were forced to move to Earth after the villain Gavar, a giant radioactive spider, took over their world.