Lelouch vi Britannia is one of the most intelligent characters to be introduced in Code Geass. Lelouch showed an advanced level of comprehension, even in his youth, and has always exceeded the expectations of those around him.

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Lelouch combines his natural brilliance with a hard work ethic, and this saw his abilities truly blossom. With his intellect, he managed to wrestle control of the world from Britannia, before supposedly dying at the hands of his best friend —as he planned.

10 MONKEY D LUFFY (CAN)

Monkey D Luffy is the man who will become the next Pirate King. Luffy is an ambitious man who always works earnestly toward achieving his goals. Luffy is an expert fighter who can overwhelm the strongest of fighters if presented with the right situation. Despite his strength and ambition, Luffy is not the smartest tool in the shed, so he oftentimes struggles to understand complex explanations and many fans doubt his ability to read. This means Lufffy would easily be outsmarted by Lelouch who has shown himself to be one of anime's smartest protagonists.

9 SORA (CAN'T)

Sora and Shiro studying a device in No Game No Life.

Sora is an experienced gamer whose knowledge and expertise is renowned in his world. Sora is quite adept at strategy games which means he'd be an intriguing opponent for Lelouch in a game of chess. Sora has a genius-level IQ and is known to read the body language of his opponents in order to pick up on cues that might lead to his victory. He would find a hard time getting any read on Lelouch who is known to be quiet the cool customer. Sora's over-reliance on his sister might hinder him in a straight one on one match, but he would still put up a strong fight against Lelouch.

8 DEKU (CAN)

Izuku Midoriya is the current bearer of the quirk One For All, having inherited it from its previous wielder, Toshinori Yagi. Deku is careful and pays keen attention to detail in his daily life. Before becoming a student at U.I., Deku regularly compiled information on people and their quirks, learning from each of the quirks he studied.

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This keen attention to detail carries over into Deku's fighting style, where he regularly analyses his opponent to the most minor detail in order to achieve victory. Despite his undoubted talent, Deku is a few years off from really being able to compete with Lelouch on an intellectual level.

7 KISUKE URAHARA (CAN'T)

Kisuke Urahara can be found in the human world where he lives his days out as a simple shop owner, but he can never truly escape the shadows of his past. Urahara is one of the most gifted minds that has ever emerged in the Soul Society. He is credited with incredible innovations and can be called on to outsmart even the wittiest of characters. Kisuke often shrouds himself in his words and is a master of twisting and turning them in order to confuse his enemies. A battle of wits between Kisuke and Lelouch would be one for the ages with no clear winner in sight.

6 NARUTO UZUMAKI (CAN)

Naruto giving a thumbs-up in Naruto: Shippuden

Despite never being the most academically proficient student during his time in the Ninja Academy, Naruto managed to achieve his dream and became the leader of his village. Under his direction, the village blossomed, developing into a much more advanced and civilized village, one that finally knew the joys of peace. Much praise should be given to Naruto, as his leaderships shows that he was much smarter than what people had expected. This being said, Naruto is not the brightest bulb and would easily be bamboozled by Lelouch.

5 SHIKAMARU NARA (CAN'T)

Shikamaru is currently an adviser to Naruto Uzumaki, the Hokage of the Village Hidden in the Leaves. Shikamaru has been exceptionally smart ever since he was young, showing a skill that far surpassed the average person. Shikamaru was exceptional at strategy and, at a young age, he began playing shogi with his father, Shikaku. This further developed Shikamaru intellectually and, before long, he was a shogi master. A game of shogi between Shikamaru and Lelouch would need its own anime adaptation because it would definitely be a sight to behold as one of the closest matches of all time.

4 ARSLAN (CAN)

The cast of Arslan Senki.

Arslan is the crown prince of Pars, a Kingdom taken over by the enemy after it's king, Andragoras, was cunningly betrayed by one of his trusted advisers. Arslan is a young man determined to change the world for the better, no matter how dangerous it might be for him.

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Arslan is surrounded by trustworthy advisers in the shape of Daryun and Narsus. They've both helped him to grow, not only as a person, but as a warrior and battle tactician. Arslan shows much promise for the future but, as for now, Lelouch easily outwits him.

3 LIGHT YAGAMI (CAN'T)

An image of Light Yagmai from Death Note

After obtaining the Death Note Light Yagami plans to become the god of this new world and begins eliminating criminals to test the scope of his abilities. Eventually, the police catch wind of Light's actions and they begin to close in on him. From that point on, it is a big mental and physical battle between him and the investigators on his case. All throughout Death Note, Light showed himself to be insanely smart, even though he made glaring errors along the way. A battle between Lelouch vi Britannia and Light Yagami would see two of animes renounced genius go head to head, but Light has the edge.

2 SHIN (CAN)

Xin and the gang looking happy in the Kingdom anime

Shin is a charismatic and hot-blooded young warrior, who aspires to one day be the greatest general in China. His headstrong and determined nature means that he is always in with a chance of getting the best of his opponent. Despite being a great warrior himself, Shin struggles significantly with battle strategies and tactics, putting him at a great disadvantage when faced off against an opponent like Lelouch. Lelouch is a master of strategy who can turn the slightest of advantages into a landslide victory.

1 L (CAN'T)

L is renowned as one of the smartest anime characters of all time, due to his role during the Death Note series. L is a popular detective, who was tasked with investigating the mysterious serial killer, Kira. After working on the case for some time, L theorizes that Light Yagami is Kira and goes about trying to expose this truth. L showed incredible perceptive and deductive skills and, were it not for the complex mechanisms of the Death Note, L would have cornered Light far sooner than he managed to. L and Lelouch are two reserved characters but, if the two were to compete, they could go on to develop a concrete rivalry due to their similar levels of intellect.

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