Sure, in manga and anime, various characters exhibit anti-social and psychopathic traits, adding depth and complexity to their personalities. It's essential to remember that these characters are fictional, and their traits are often exaggerated for storytelling purposes. Here are some examples of manga and anime characters with anti-social and psychopathic traits:
Light Yagami (Death Note): Light is the protagonist of Death Note and starts as a highly intelligent and charismatic high school student. However, he becomes a vigilante when he gains possession of a Death Note, a notebook that allows him to kill anyone whose name he writes in it. Light's pursuit of creating a "better world" through his vigilantism showcases psychopathic traits like grandiosity, lack of empathy, and a willingness to manipulate others.
Johan Liebert (Monster): Johan is the primary antagonist of Monster. He is a charming and enigmatic serial killer with a dark past. Johan is highly manipulative, capable of controlling people's actions, and has an apparent lack of remorse for his crimes. His charisma allows him to sway others to commit acts of violence on his behalf.
Shou Tucker (Fullmetal Alchemist): Shou Tucker is a scientist in Fullmetal Alchemist who conducts unethical experiments, resulting in grotesque and tragic outcomes. His willingness to sacrifice others for personal gain demonstrates a severe lack of empathy and antisocial tendencies.
Hisoka Morow (Hunter x Hunter): Hisoka is a skilled and powerful character in Hunter x Hunter. He is a cunning and sadistic assassin who derives pleasure from fighting and causing harm to others. His enjoyment of violence and lack of remorse align with psychopathic traits.
Izaya Orihara (Durarara!!): Izaya is an information broker in Durarara!! and revels in manipulating others for his amusement. He exhibits a lack of empathy and enjoys chaos and conflict.
Griffith (Berserk): Griffith is a complex character with an intense desire for power and control. He is willing to use and sacrifice others to achieve his ambitions, showcasing psychopathic traits like manipulation and a lack of remorse.
Makoto Shishio (Rurouni Kenshin): Shishio is a major antagonist in Rurouni Kenshin. He is a ruthless and power-hungry man who seeks to overthrow the government and rule Japan with an iron fist. His violent and cold-hearted nature reflects psychopathic tendencies.
Remember, while these characters can be intriguing and captivating in fictional stories, their behaviors and traits are not reflective of real-life individuals with antisocial or psychopathic disorders. In real life, these conditions are complex and should be treated with empathy, understanding, and appropriate professional care.