Brain 17 (1982)

Brain is the worlds greatest computer and also the most intelligent being on planet Earth One day Brain decides to abandon its terrestrial moorings and its up to The Defenders to track it down Unfortunately Brain has developed an amazing army of deadly giant robots including one with a huge 17 emblazoned on its chestplate with which it plans to subjugate its creators A young boy whose family was killed by Brains followers manages to activate Daitetsujin 17 which thereafter comes to his rescue whenever he is in danger from Brains minions