19. Brainiac 

Image: Inverse

Brainiac is an evil villain who happens to be Superman’s  second deadliest archenemy. In the comics he is portrayed as a super-intelligent alien whose intelligence is beyond human comprehension. He also happens to enjoy shrinking down planets to add to his collection where he preserves them. However, it’s not just his intellect that makes him a threat. He is also a master of mimicking the powers of Kryptonians! 

Next, we have a villain that is not only powerful, but also incredibly charming and good-looking. 

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