The DC Universe is home to some of the smartest people in the fictional world. Intelligence or smartness could beat physical strength. Some of the superheroes and villains of the DC Universe know this very well.
The smartest DC characters have managed to survive great problems and defeat fearsome rivals. Sometimes without even having special powers other than their super-developed intellect. And while there are many different ways to measure intelligence, these are the eight smartest DC characters that stand out above the rest.
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8. Blue Beetle (Ted Kord)

Blue Beetle whose real name is Ted Kord managed to amass a great fortune, thanks to his intellect. He invented a wide variety of weapons and devices to aid him in his fight against crime, unlike Jaime Reyes who needed the help of alien technology to be a hero. Despite that, many people underestimate Blue Beetle’s intelligence, perhaps due to his friendship with Booster Gold.
7. Batgirl (Barbara Gordon)

As Commissioner Gordon’s daughter, Batgirl was always on the edge of danger, and that went up to another level when she decided to fight crime alongside Batman. The Joker shot her and she was left in a wheelchair. However, this did not stop her from pursuing her heroic career, as she became Oracle, the mastermind behind the bat family operations. Her tactical intelligence rivals that of Batman, mostly because she can think very well under pressure.
6. Mockingbird (Lex Luthor)

The arch-nemesis of Superman is one of the smartest humans in the DC Universe. Mockingbird is a gifted scientist and engineer, and he has a genius-level IQ. Mockingbird considers Superman his greatest enemy, perhaps out of jealousy or his ego. Despite not having special powers, Mockingbird has faced the Kryptonian on several occasions and in some of them he won.
5. Batman (Bruce Wayne)

Batman whose true name is Bruce Wayne is one of the most intelligent people in the DC Universe. He is a master detective, strategist, and tactician. Batman is capable of solving even the most complicated cases with few or no clues. He is also capable of operating all Justice League missions on his own. He is famous for always having a plan for any contingency, even in case his own teammates lose control.
4. Cyborg (Victor Stone)

Cyborg, the half-human half-machine superhero, is one of the smartest characters in the DC Universe. He has a genius-level IQ and is a master of technology. Victor Stone was a football player for Gotham City University when an accident occurred that led to him becoming the superhero Cyborg.
3. Mr. Terrific (Michael Holt)

Michael Holt, known as Mr. Terrific, is the chairman of Terrifitech, a multi-billion dollar technology company. He also has a Ph.D. in engineering, making him one of the smartest characters in the DC Universe. He is a brilliant inventor and has created many technological gadgets used by the Justice League, including the T-Spheres. He is also an expert hand-to-hand combatant and Olympic-level athlete.
2. Adrian Veidt (Ozymandias)

Adrian Veidt is a fictional character in the DC Universe, who is better known as Ozymandias. He is a brilliant strategist and tactician and is often considered the smartest man on Earth. He has a genius-level IQ has expert knowledge in many fields, such as history, literature, and philosophy.
1. The Atom (Ray Palmer)

The Atom is a superhero with the ability to shrink to micro-sizes. He is a brilliant scientist and engineer, and he has a genius-level IQ. He has created many technological gadgets used by the Justice League, including his shrink ray gun. The Atom is also an expert hand-to-hand combatant.