Jimmy Kudo
Shinichi Kudo (工藤 新一, Kudo Shin'ichi) (Conan Edogawa) (江戸川 コナン, Edogawa Conan), also known as Jimmy Kudo in most english localizations or Bobby Jackson in the spanish dub is the main character in the TV series and manga, Detective Conan, he is a 16-year-old (17 in the anime) boy who became a 7-year-old kid after taking a drug (or poison) that was supposed to kill him.
in the anime series, Jimmy's regular form is voiced by Jerry Jewell (Kappei Yamaguchi in Japanese) and his alter-ego, Conan Edogawa is voiced by Alison Viktorin (Minami Takayama in Japanese).
He takes the alias of "Conan Edogawa", which is derived from Arthur Conan Doyle (the author of Sherlock Holmes, born 1859; died in 1930) and Edogawa Ranpo (born 1894, died in 1965), a famous Japanese mystery author.