Superman is widely regarded as one of DC’s strongest heroes, but that hasn’t stopped several characters from taking him down. 9 DesperoDespero DCDespero is a three-eyed alien conqueror who also combines potent telekinetic abilities with devastating physical strength. 8 Bizarrosuperman vs bizarro in DC comicsBizarro is an imperfect duplicate of Superman known for possessing several inverted features of the famed hero. He possesses strength to rival Superman, and since his powers stem from magical origins, he can easily exploit one of the Kryptonian’s greatest vulnerabilities. 2 DarkseidDarkseid growls in front of fire in DC Comics artDarkseid is a merciless despot who is widely regarded as one of DC’s most feared villains.