Pick one category for the following text. The options are - company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work. Dynamic Heroes -  Dynamic Heroes (ダイナミックヒーローズ dainamikku hi^ro^zu) also known as Nagai Go Manga Gaiden - Dynamic Heroes (永井豪まんが外伝 ダイナミックヒーローズ nagai gou manga gaiden dainamikku hi^ro^zu) and as Go Nagai manga heroes crossover collection - Dynamic Heroes is a Japanese manga based in several works of Go Nagai including most of his most famous robots such as Mazinger Z Getter Robot Great Mazinger and UFO Robot Grendizer and also several characters from other series such as Cutie Honey and Devilman.
Written Work