Giant Robo

Giant Robo (ジャイアントロボ, Jaianto Robo), is a tokusatsu, anime and manga series created by Mitsuteru Yokoyama. It is similar to his famous manga/anime series, Tetsujin 28 (the OVA version of Giant Robo features characters from Tetsujin 28), only Giant Robo has more fantastic elements.

Johnny Sokko and his Flying Robot is the name given
in the U.S. to the 26-episode tokusatsu (live-action)
series based on Giant Robo, produced by Toei
Company Ltd. in 1967.

The later 7-episode OVA series
was produced by Mu Films in an interval between 1992 and 1998, it is considered
as one of the best of the "retro-anime" produced in the 1990s. It is available
on six VHS tapes by Manga Video and three DVDs by Media Blasters. http://en.wikipedia.org/wiki/Giant_Robo