Dominators (Earth Thirty-Eight)

The Dominators are a race of extra-terrestrial beings.

History
Sometime before Kara Danvers was born, the Dominators traveled to Krypton and performed experiments on a number of people, as well as killing a lot more.

Powers

 * Super strength: The Dominators were said to be really strong, overpowering inhabitants of Krypton, although Kryptonians usually don't exhibit superhuman attributes under a red sun.