Mazinkaizer SKL (マジンカイザーSKL, Majinkaizā SKL), also called Mazinkaizer Skull and Mazinkaiser SKL, is a Japanese OVA series made based on Go Nagai's Mazinger. The first episode was released on January 28, 2011 (2011-01-28) and was first screened on November 27, 2010 (2010-11-27). It also has a novel adaptation serialized in ASCII Media Works' Dengeki Hobby Magazine and a manga adaptation published in the mobile phone magazine Shu 2 Comic Gekkin. Like Shin Mazinger Shougeki! Z Hen, characters and references to other works of Go Nagai appear in this series.