Conversely, Reigen Arataka, voiced by Chris Niosi (formerly known as Kirbopher), requires a performance of controlled excess. Reigen is a conman whose charm depends on vocal velocity. Japanese voice actor Takahiro Sakurai plays Reigen with a slick, almost oily smoothness. Niosi’s Reigen is faster, more nasal, and more overtly desperate—closer to a used car salesman from a 1990s American sitcom. This is a localization choice. By making Reigen slightly more transparent in his hucksterism, Niosi allows English-speaking audiences to immediately grasp the joke, while still preserving the character’s genuine moments of pathos (e.g., the "body-switching" arc, where Niosi must play Reigen pretending to be Mob, a masterclass in layered performance).
Mittelman captures the complex, simmering resentment and deep brotherly love of Mob’s younger, overachieving brother. His performance during Ritsu’s awakening arc is a masterclass in psychological tension. Mob Psycho 100 -Dub-