Eiichi Shimizu is a Japanese manga artist born on February 7, 1978, in Osaka Prefecture. He is best known for his long-standing creative partnership with artist Tomohiro Shimoguchi, with whom he has collaborated on all his major works. In this partnership, Shimizu is primarily responsible for the original story, mechanical designs, and the mecha-centric artwork.

Shimizu made his debut in 2005 with the manga series Linebarrels of Iron, which was serialized in Akita Shoten’s Champion Red magazine from 2005 to 2015. The series, which he created with Shimoguchi, centers on a teenage boy who gains the ability to pilot a giant robot known as a Machina. Its popularity led to a 24-episode anime television adaptation produced by Gonzo, which aired from October 2008 to March 2009.

In 2011, Shimizu and Shimoguchi began their next major work, Ultraman, serialized in Monthly Hero's. This manga reimagines the classic Ultraman franchise, presenting it as a sequel to the original 1966 television series. The story follows Shinjiro Hayata, the son of the original Ultraman, who discovers he has inherited extraordinary powers and dons a technologically advanced armored suit to fight new alien threats. The Ultraman manga was adapted into a 3D CGI anime series that premiered on Netflix in 2019, with subsequent seasons released in 2022 and 2023.

Beyond these two flagship titles, Shimizu’s other notable works include Getter Robo Devolution: The Last 3 Minutes of the Universe, a manga based on the classic Getter Robo franchise, which ran from 2016 to 2019. In 2021, he and Shimoguchi began Batman Justice Buster, a manga series featuring the DC Comics superhero Batman, published in Kodansha’s Morning magazine.

Throughout his career, Shimizu has also contributed character and mechanical designs for various media, including the Konami toy line武装神姬 and the video game Unchain Blades Rexx. His artistic identity is strongly tied to his intricate mechanical designs and his role in shaping modern interpretations of iconic super robot and superhero properties. Alongside his creative partner Tomohiro Shimoguchi, he has become a significant figure in contemporary manga, successfully bridging the gap between original works and high-profile franchise adaptations.