Endō graduated from the Yokohama Suiran High School and from the Department of Information & Image Science at the Chiba University.
Xevious set the template for vertical scrolling shooters, while The Tower of Druaga laid the foundations for action role-playing games.
In addition, he produced Family Circuit and Tenkaichi Bushi Keru Nagūru for Namco, Kidō Senshi Z-Gundam: Hot Scramble for Bandai and Airs Adventure on the Sega Saturn.
Furthermore, he entered the mobile phone game market at an early stage, creating titles such as Sangokushi Nendaiki, Kētai Shachō, Unō Paradise, Beach Volley Girl Shizuku among others.
When the final episode of the anime was broadcast on GyaO Jockey, he appeared on TV as a guest commentator with the name 遠藤雅伸★, explaining that it was his on-screen character.