Mazinger is a franchise created by Go Nagai, the first work in the series, Mazinger Z is notable because it was the first ever robot in fiction to be piloted from the inside whereas previously in Tetsujin 28-go was controlled remotely, as well as piloted mecha, Mazinger Z also invented calling out attacks and coining the term "Super Robot".
Wiki: Mazinger Wiki
Works[]
Mazinger Z[]
Original, Mazinger piloted by Kouji Kabuto
Great Mazinger[]
Sequel featuring new machine, Great Mazinger piloted by Tetsuya Tsurugi.
UFO Robot Grendizer[]
Series centred around alien Duke Fleed and the robot Grendizer, Kouji Kabuto returns as a supporting character.
Mazinkaiser[]
Reboot OVA featuring Kouji Mabuto and Tetsuya Tsurugi the strongest incarnation; Mazinkaiser, the actually made its debut in Super Robot Wars.