Dr.Haneda was developing experimental giant robot warriors to fight the allies during the Second World War, but before his creations could see action, Allied bombs destroyed the facility and killed him. A decade later criminals discovered two of the surviving prototypes, #26 and 27 in the series, and used the remote controlled robots to commit a number of crimes. Young Shotaro…
Yada Minoru
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Finding driftwood that has been struck by lightning, toy-maker Gepetto constructs a puppet that comes alive but wants to be a real boy.
Source: The Anime Encyclopedia
We have 2 brothers riding around in their Hover bikes. Suddenly some giant Metal Fortess gets in their way. After a brief battle, the duo manages to mortaly wound the fortress. It retreats and dumps our heroic pair in a seemingly wasteland.
But the wasteland is inhabited by nomads that indicate that the fortress has hidden inside a mountain. The Nomads plead for the duo to…