Osamu Tezuka was a Japanese manga artist and animator who is often referred to as "the God of Manga". He was one of the pioneers of anime and manga, and his work has had a profound influence on Japanese popular culture. Urasawa was greatly influenced by Tezuka's work, and he has cited Tezuka as one of his biggest influences.
Unraveling the Magnificent World of Naoki Urasawa: Test Your Knowledge on the Mastermind of Manga