Astro Boy
Astro Boy (commonly shortened to Astro), known in the Japanese version as Atom and Tetsuwan Atomu (which translates to Mighty Atom), is the main character and protagonist in Osamu Tezuka's Astro Boy franchise. In all of the series to date, Astro has been built after the death of Tobio as a replacement son for Dr. Tenma. The character is one of the most well-known Japanese fictional characters, appearing in various series, video games and even a feature film.