What is "steamboy"

is a 2004 Japanese steampunk animated action film produced by Sunrise, directed and co-written by Katsuhiro Otomo, his second major anime release, following Akira. The film was released in Japan on July 17, 2004. Steamboy is one of the most expensive Japanese animated movies made to date. Additionally, the film was in production for ten years and utilized more than 180,000 drawings and 440 CG cuts.