Kotaro Takebayashi

Kōtarō Takebayashi is a student in class 3-E of Kunugigaoka Junior High School, taught by Korosensei.

Appearance
Takebayashi has black hair combed over along the sides of his head and wears round eyeglasses. His uniform consists of a suit jacket worn over a dress shirt and a black tie, as well as dress pants and dress shoes.

Personality
Takebayashi is mostly a quiet person. However, he seems somewhat eccentric in his behavior and stands out as the oddball in the class. He also seems to be clumsy at physical activity, having ping pong balls hit his glasses while playing with others and nearly losing balance in one of Tadaomi Karasuma's lessons.

History
Takebayashi's family have been doctors for generations. His elder brothers are all in Tokyo university in the medical departments. As such there is enormous pressure for him to suceed and is considered the outcast of the family.

Abilities
Analytical Skills: During the Class-E’s baseball practice, Takebayashi has been assigned to gather data on the team’s performance. He has shown to have quite good observational skills like Shiota, but, unlike the latter, Takebayashi is inclined towards statistical data and analysis as opposed to emotional and practical knowledge.

Risk Management: During the Summer trip in Chapter 61, Takebayashi has display Risk Management Skills. When some members of class 3-E got infected by an unknown virus, Takebayashi disagreed with Terasaka's suggestion of taking the infected classmates to a big city hospital because of risk factors associated with the unknown virus & high unlikely chance of an effective anti-virus. This is also further demonstrated in Chapter 63. While tending some of the infected class E members, his observation concluded that the unknown virus was likely oral transmission over contamination.

Explosives Specialist: Takebayashi is the explosives manager for Class 3-E, as he easily memorizes the usage of explosives when assigned by Karasuma. He demonstrates this ability when he uses a shaped charge to infiltrate the God of Death's complex, using his smuggled explosives set to escape from captivity in Chapter 167, and distracting Houjou with flash bangs.

Academics: In the second semester finals, Taebayashi has the fifth highest overall score, at 447.

Quotes

 * (First line in the manga, Chapter 22) "2D is just fine...real women don't need more dimensions than that."
 * (In response to Bitch-sensei, Chapter 42) Bitch-sensei: "Then what am I to all of you?" "Our bitch."

Trivia

 * Takebayashi is the only student who has decided to leave Class 3-E because of personal reasons. He was nearly deceived by Gakushu Asano and the chairman upon leaving the class. He rediscovers his motivation to kill after realizing his former classmates and Korosensei still look after him. Finally he canceled his decision and moved back to his original class.
 * Takebayashi manged to convert Terasaka into a regular maid-cafe goer.
 * He's an otaku.
 * In the art rankings of Volume 5, he was placed 4th among the male students.
 * During the Civil War, he and Kataoka were both instantly eliminated after Chiba and Okajima sniped them.
 * In the tankobon extras, his statistics were listed as:
 * Physical strength: 1.5
 * Mobility: 2
 * Close-range assassination: 2
 * Long-range assassination: 3.5
 * Academic ability:4.5
 * Characteristic skill: 4.5 (trivial knowledge)