I think it could be Doctor Strange. He is a master of the mystic arts. His knowledge of magic, different dimensions, and the ability to strategize in the face of otherworldly threats shows his high level of intelligence. He has to constantly learn and adapt to new and dangerous situations in the magical realm.
Sherlock Holmes. He is extremely intelligent, with his remarkable powers of deduction. He can observe the tiniest details and use them to solve the most complex mysteries. His mind is like a well - oiled machine, constantly analyzing and making connections that others miss.
Sherlock Holmes is often considered one of the smartest. His powers of deduction and logical reasoning make him stand out.
A character's intelligence in fiction can be measured by their knowledge base. Professor X from the X - Men has extensive knowledge of genetics, mutants, and telepathy. He uses this knowledge to lead the X - Men and protect mutants. Also, adaptability is important. A smart character like Katniss Everdeen in 'The Hunger Games' can quickly adapt to the changing and dangerous situations in the arena, using her wits and survival skills, which also indicates her intelligence.
One of the smartest is Sherlock Holmes. He can solve complex mysteries by observing tiny details. Another is Dr. Strange, with his vast knowledge of the mystic arts and his ability to strategize in dangerous situations. And then there's Hermione Granger from the Harry Potter series. She is extremely intelligent, always excelling in her studies and using her knowledge to help her friends out of tricky situations.
L from 'Death Note' is extremely intelligent. He is able to track down the elusive Kira using his brilliant analytical skills. He can make connections between seemingly unrelated events and people. He goes to great lengths to gather evidence and is always thinking several steps ahead of his opponents.
Lex Luthor from Superman stories is highly intelligent. He's a brilliant scientist and businessman. He uses his intellect to try and defeat Superman, often coming up with complex plans that involve not just brute force but also psychological warfare and manipulation of public opinion against the Man of Steel.
Reed Richards (Mr. Fantastic) is often considered one of the smartest. His scientific and strategic brilliance help the Fantastic Four overcome many challenges.
Sherlock Holmes is often considered one of the smartest. His sharp deduction skills and ability to solve complex cases make him stand out.
In my opinion, Reed Richards (Mr. Fantastic) from the Fantastic Four is considered one of the smartest. His scientific and intellectual prowess allow him to solve complex problems and invent amazing technologies.
Innovation is another aspect. Tony Stark from the Marvel universe is a great example. He invents amazing technology like the Iron Man suit. His ability to think outside the box and create solutions that no one else has thought of, whether it's for combat or for other scientific purposes, makes him a strong contender for being one of the smartest in fiction. He also has the business acumen to run his company and use its resources for his inventions.
In my opinion, Doctor Who is extremely intelligent. He has knowledge of countless civilizations, sciences, and technologies from across the universe. He's able to outwit his enemies time and time again using his vast knowledge and quick thinking. His ability to understand and manipulate time and space also shows his high level of intelligence.