Biography
Masumi Hattori is a Japanese animator with an extensive filmography, more than 600 productions by Anime News Network's count, one of the more prolific in the industry [1]. Active since at least the early 2000s, with early credits including A.D. Police and Boogiepop Phantom, she has worked primarily as a key animator, with animation director credits on Black Clover and Charlotte [1]. Her key animation work appears across a range of long-running and high-profile franchises, including Dragon Ball Super, My Hero Academia, JoJo's Bizarre Adventure, Bleach: Thousand-Year Blood War, and Death Parade [1]. That breadth, spanning shounen action, supernatural drama, and character-driven storytelling, points to a career built on being a reliable, adaptable hand rather than a specialist in one visual style. As is typical for animators working mainly in key animation rather than as directors or designers, no birthdate or personal biographical detail has surfaced in English or Japanese sources; her documented career consists of her production credits.