TV-Series
Description
Izaya Orihara is a complex and central figure in the world of Durarara!!x2 Ten, operating as a highly skilled underground information broker from the Shinjuku area. He is a young man with short black hair and brown eyes, possessing a slim and pale appearance that other characters often describe as handsome yet mischievous or unsavory. His typical attire consists of a black fur-lined coat, a black v-neck shirt, and dark trousers, though some depictions show him in a longer coat. Born on May 4th, Izaya has two younger twin sisters, Mairu and Kururi, who are known troublemakers in their own right.

Izaya's personality is defined by his paradoxical claim to love all of humanity. However, his definition of love is far from conventional; he is fascinated by the unpredictability of human nature and demonstrates this affection by orchestrating chaotic, enjoyable, or even miserable situations to observe how people react. With a deep understanding of psychology and human behavior, he can predict thoughts and reactions with high accuracy, which fuels his manipulative tendencies. He approaches the city of Ikebukuro as his personal playground or chessboard, often playing complex games of strategy with himself using mixed chess pieces to represent the various factions and battles in the city. Izaya is cunning, charming, and speaks informally, often giving others nicknames like "Shizu-chan" for his arch-rival, Shizuo Heiwajima, or "Dotachin" for Kyouhei Kadota.

His core motivation is not wealth or power, but the pure intellectual and emotional satisfaction derived from watching human beings act under pressure. He plays both sides of any conflict, ensuring that regardless of the outcome, he maintains an advantage and remains entertained. To this end, he takes on several online aliases, most notably "Kanra," under which he pretends to be a woman, speaking in a feminine manner to influence discussions and spread rumors in chat rooms. In the events of Durarara!!x2 Ten, he continues to work behind the scenes, utilizing false identities like "Nakura" to manipulate events and individuals. One of his long-standing goals is to create a massive conflict in Ikebukuro, specifically one that might wake the head of the dullahan, Celty Sturluson.

His key relationships are often as volatile as his personality. His most infamous dynamic is with Shizuo Heiwajima, whom he despises and who is the sole human he claims not to love. This hatred has existed since their high school days at Raijin Academy, where they constantly tried to kill each other. Unlike his detached observation of others, Izaya actively provokes Shizuo, often framing him for crimes or sending gangs after him, simply for his own amusement. Conversely, his relationship with Shinra Kishitani is one of his oldest and most complex. They met in middle school, where Izaya was intrigued by Shinra's lack of interest in humanity, which was the opposite of his own obsession. Izaya later admitted to being jealous of Shinra because Shinra could separate himself from the world through his genuine love for Celty. His background reveals that while he was a model student in elementary school, he was a loner who preferred to observe from a distance. A critical incident in middle school, where a gambling partner pulled a knife on him and Shinra took the blow, led to Izaya taking the blame and beginning his infamous reputation.

In terms of development, Izaya remains largely an agent of chaos, though his own schemes can have unforeseen consequences that unsettle even him. He is a member of the anonymous online gang Dollars, which the protagonist Mikado Ryuugamine leads, and he is responsible for recruiting members after Mikado stopped. His role in the story is primarily as an antagonist and a catalyst; he provides information to those who seek it, but always for a price that serves his own hidden agendas. He is rarely a direct participant in fights, preferring to observe the results of his machinations from a safe distance.

When forced to protect himself, Izaya is notably capable. He is a master of parkour and freerunning, allowing him to navigate the urban landscape of Ikebukuro with ease, often to escape the rampaging Shizuo. He is also highly proficient with a flick-blade, possessing the speed and skill to leave numerous cuts on his opponents. Despite his physical abilities, his greatest weapon remains his intelligence, his network of informants, and his complete lack of moral restraint in pursuing a fascinating outcome. He is widely regarded as one of the strongest characters in terms of influence, even if he lacks the raw physical power of someone like Shizuo.
Cast