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"Astro Boy", set in a futuristic world where androids co-exist with humans was a powerful robot created by the head of the 'Ministry of Science' 'Doctor Tenma' to replace his late son 'Tobio'. Tenma built Astro in Tobio's image, but soon realized the little android could never replace a human and he sold the robot to circus owner 'Hamegg'.
Then 'Professor Ochanomizu', the new head of the Ministry, found Astro and became his legal guardian, discovering the robot was gifted with superior skills and an ability to experience human emotions...