Tsubasa Oozora
Children's most beloved footballer

Tsubasa Oozora (Japanese: 大空 翼, Hepburn: Ōzora Tsubasa), also known as Oliver Atom in multiple dubs, is a fictional character and the main protagonist of the manga series Captain Tsubasa written by Yōichi Takahashi. Tsubasa is a prodigious association football player who dreams of winning the FIFA World Cup for Japan one day. The series follows Tsubasa's growth from primary school life in Japan, to other teams in other countries as well as Japan's national team. Tsubasa's usual position is midfielder but he sometimes plays as a forward, normally wearing jersey #10. He has also appeared in the series' anime adaptations and video games based on the manga series.
You can learn more about Captain Tsubasa on his Wikipedia page.