Ordinarily he had the babyish, weak appearance of a bullied child, but once the Band-Aid on his forehead was peeled off and his third eye revealed, he displayed amazing supernatural powers and a glittering mind.

Known as "Assaji" in Buddha.

In the 2004 Black Jack series, Sharaku is a timid middle-school student who was often bullied, but becomes Pinoko's first friend after she breaks up a fight between them. Although he is cowardly, he cares greatly for his friends and is well-versed in trivia regarding history and science fiction. Sharaku is the younger brother of Chiyoko Wato,