Kerry and Gerry

Geri is red, Keri is green. They are almost identical, their body is the same and black, Geri has red eyes, ears, antennae and tail, and Keri has green eyes, ears, antennae and tail, only Keri's tail and antennae are slightly square and curved. Keri is a girl, Geri is a boy, they are brother and sister. Keri has a strict and rude character, she has the ability of energy lightning, and Geri is kinder but more domineering and proud, he has telekinesis. They are created from a magical red-green crystal, which was once made by a scientist and hid so that no one would steal it. One day, Chiz, another experiment of this scientist, found this crystal after the death of the scientist and poured the vaccine of life into the crystal, after which these two twins appeared.