The villains in the DC Universe are as famous as they are horrible, and the world's heroes battle them to fight for justice. In countless episodes of the legendary animated series, these fearsome foes have posed a threat to the Justice League, permanently carving themselves into viewers' collective memories.

Take a ride as the audience explores the hidden depths of the DC Universe to rate the unforgettable villains that brought destruction to this series with their conniving and ruthless personalities. Varying from universally dangerous antagonists to villainous masterminds, these foes have challenged the Justice League's willpower in ways that will go down in animation history for a long time. Strap up and prepare to be intrigued.

10 Starro the Conqueror

An Image of Starro attached to the heads of most members in the Justice League

Due to its unique origins and secretive manipulation of Superman, Starro, an incredible extraterrestrial creature, stands out as an unforgettable villain. Even though the enigmatic preserver trapped it, it is a sought-after specimen because of its rarity. After Superman appeared, Starro took advantage of the chance to hide in his costume for decades, using its psychic abilities.

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During that time, Starro came up with a devious plan to produce clones of itself to dominate the Earth. Its cruel efforts to destroy the Justice League demonstrated its sly and malicious nature. Starro was defective despite its mind-control powers. Yet because of its risky and manipulative use of Superman's abilities, it stands out as a potent adversary.

9 Vandal Savage

A facial image of Vandal Savage

With a unique origin, Vandal Savage gained immorality and regenerative powers from a meteoroid that struck Earth 25,000 years ago. This allowed him to acquire knowledge and resources that gave him the upper hand against the Justice League.

He also acquired the ability to manipulate history and time, putting the Justice League at a disadvantage. His lack of careful judgment led to his defeat at the hands of the League's heroes. In the future, with the help of Superman, he became a humble individual. His transformation through time adds more depth to his personality, making him memorable.

8 Solomon Grundy

An Image of Solomon Grundy with a palm feeling his face

Solomon Grundy always tests and breaks the limits of the Justice League with his raw might,rotten touch, and invulnerable skills. His mission is to destroy all he comes in contact with. Solomon Grundy is a relentless and formidable foe.

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After his untimely death as a human, he is reborn in his original resting place in the swamp, as he does countless times whenever he is killed or affected with a personality shift. Sometimes he is a mindless beast; other times he is a being of intelligence, making him a deadly combination of wits and bran. His indestructible nature makes him a force to be reckoned with.

7 General Zod

An Image of General Zod in rage

Once a loyal protector of Krypton, Zod has turned into a fanatic, a ruthless leader of the Sword of Rao with the obscured moral conflict he presents. His godlike powers, similar to Superman's, make him a formidable foe, as he is every bit as strong as the Man of Steel.

It is never an easy win, but Superman stops him eventually. General Zod’s view of humanity as inferior beings makes him a moral foe to Superman, who was once his friend but is now his enemy. This conflict of views adds more thrilling depth to their rivalry.

6 Brainiac

An image of Brainiac in his laboratory

Though Lex Superman’s nemesis might have been the smartest criminal on Earth, his intellect is in no way comparable to Brainac's artificial alien intelligence. However, they share the same intense hatred for Superman and have tried continuously to bring down the Man of Steel. Originating from the planet Colu, Brainiac is one of the deadliest villains known in the DC universe. His unquenchable hunger for knowledge has led to the destruction of innocent lives.

To Brainiac, knowledge is considered useful if only he and he alone can possess it. His artificial structure and mind have transformed over time to suit his system. Due to his advanced computerized brain, he is ten steps ahead of his contemporaries. However, he lacks emotions and understanding of how the human mind works, which tends to lead to his downfall. But his ability to get up time and time again makes him a relentless antagonist.

5 Doomsday

An Image of Doomsday in rage

An advanced clone of Superman genetically engineered by Project Cadmus, Doomsday is a fearful foe. As a result of brainwashing and high-level simulation during his creation, he developed an intense hatred for Superman. Unable to stop his rampage after being released, he was sent into space. He later resurfaced in alliance with Dr. Milo, a vengeful scientist, in an attempt to destroy Superman on a volcanic island.

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Though his powers were made to be similar to those of Superman, he lacked the abilities of flight, freeze breath, and heat vision. These weaknesses brought about his defeat at the hands of Superman, who trapped him in molten lava. His relentless and destructive abilities and his ability to adapt make him a worthy adversary for the Man of Steel.

4 Sinestro

An Image of Sinestro raising his yellow ring up

Thal Sinestro used to be a Green Lantern, but not everyone looks good in green. He is known to be a vain, greedy, bossy menace. After he was booted out of the Green Lantern Corps and joined Godd’s secret society, he got himself a yellow lantern ring based on fear, and keeps coming back to kick some green butts.

Unfortunately for him, the Green Lantern keeps kicking him back. And with his mastery of the yellow ring and his long-time rivalry with Hal Jordon, who was once his teammate, he becomes an irreplaceable foe in the DC universe

3 Darkseid

An image of Darkseid standing behind a portal

Darkseid is known for his obsession with getting hold of the cosmic Anti-Life equation and his need to dominate all life in the universe. He is the tyrannical, remorseless leader of the Hellish Apocalypse. His personality is a build-up of his continuous disputes with Highfather as well as his challenging relationship with his family.

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Because of Superman's life, Darkseid developed an obsession for Earth, which resulted in clashes that emphasized his fearsome presence and deadly Omega Beams. His wrath crushed faith in Superman. His search for power, legendary Omega Beam, partnerships, reincarnation, and commitment make Darkseid a memorable foe in the world of heroes.

2 Lex Luthor

Lex Luthor talking to the prison warden

He is a cold, calculating, ruthless, and rich criminal mastermind. Lex doesn't want much — just absolute power. The problem is that Superman keeps getting in the way. Luthor is dangerously smart, immensely wealthy, and unbelievably cunning, allowing him to create unexpected circumstances that more often than not lead to his downfall.

Luthor and the Man of Steel have always been in a never-ending war, as Lex's evil brain power is the polar opposite of Superman’s heroic strength. With his endless resources, there is always a new battle to be fought, which creates thrilling and unforgettable encounters.

1 The Joker

An Image of the Joker smiling in his costumes

At the top of the list is the Clown Prince of Criminals himself. The Joker, who was once an unknown criminal, has become most fearful and smartest psychopaths. Taking crazy to a new intense extreme, the Joker dedicated to chaos, known for his unexpected plots and plans that lead to disaster.

His mission is to reform the world with his irrational vision, permanently deforming the Joker. The whole world is one monstrous, demented gag, but only he gets the joke. With his use of deadly gadgets and tricks, he is known to be the most unpredictable and somewhat humorous foe of Batman.

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