Top20 - Top11
19. [Tied] Victorique de Blois (Gosick)
19. [Tied] Kogorou Akechi (Ranpo Kitan: Game of Laplace)
17. [Tied] Levi Ackermam (Attack on Titan)
17. [Tied] Levy McGarden (Fairy Tail)
16. Johan Liebert (Monster)
14. [Teid] Orihara Izaya (Durarara!!)
14. [Tied] Sousuke Aizen (Bleach)
12. [Tied] Mavis Vermillion (Fairy Tail)
12. [Tied] Kokonoe Arata A.K.A. Nine (Zankyou no Terror)
11. Urahara Kisuke (Bleach)
Top10 - Top6
10. Narsus (The Heroic Legend of Arslan)
9. Ciel Phantomhive (Black Butler)
7. [Tied] Shiroe (Log Horizon)
7. [Tied] Conan Edogawa (Detective Conan)
6. Shiro (No Game No Life)
Top5 - Top1
5. Shikamaru Nara (Naruto)
4. Light Yagami (Death Note)
3. Sora (No Game No Life)
2. L Lawliet (Death Note)
1. Lelouch Lamperouge (Code Geass : Lelouch of the Rebellion)
Inaho Kaizuka: Aldnoah.Zero
He's very calm even in a tight situation, he's really good at making plans, and all his plans is never failed
Keima Katsuragi: The World God Only Knows
Well, he wins every test even though he only play games overnight. xD\nHe also solved crucial situations he's given with. :3
Kou Murakami: World Trigger
One of the best of the b-rankers, and can learn an opponents attack style after seeing it once.
Meruem: Hunter x Hunter (2011)
Probably the smartest person in the entire Hunter X Hunter universe.
Nagamasa Midori: Aoharu x Kikanjuu
Leader of Hoshishiro team. Has wide knowledge on survival games. Beneath his doctor job exterior, lies a manipulative sadist on the battlefield who can put several strategies into action, always resulting in victory for his team. He is also very perceptive of others, which usually ends up being part of his grand master plan or to get something he wants.
Yukino Yukinoshita: My Teen Romantic Comedy SNAFU
A smart girl, even she's a cold person, she has a high personality, easy for this girl to guess the other's person personality, the way she think is really different with the other girl in common.
Holo: Spice and Wolf
Smart, witty and nice.
Takehito Morokuzu (Gakuto): Prison School
Nerima's number 1 smartest general!