Mazinkaizer SKL (マジンカイザースカル Majinkaizā Sukaru?) is a Japanese OVA spinoff of Go Nagai's Mazinkaiser, which was in itself a spinoff of Mazinger Z. The first episode was released on November 27, 2010 and was first screened on November 27, 2010. … Shintaro Asanuma, Satoshi Hino, Saori Hayami Added on Amazon Prime 2022-01-14.