Ретро

Aweaking nude, with no memory of his past, and accompanied only by Pandy who is in the same situation, he soon starts unleashing chaos onto the city with his 'new' friend. Having huge knowledge about fighting styles and weapons, he is also incredibly nimble and skilled. His mechanical head also gives him the ability to change his body and to control any robot or electronic device. In the OVA, it is said that he was a secret agent before losing his memory.