Dr. Tenma

Dr. Tenma is the father of Astro Boy.

History
When Robartman's father wanted to stop him from stopping the Bumblebee Monster, Robartman told him that Astroboy's dad lets him do whatever he wants. His father than told him that he is not Dr. Tenma.

Behind the Laughter
is a major antongist in most media and was the father of Tobio Tenma. After Tobio died in a car accident, Dr. Tenma created a robot in his likiness who would later become.