Atlas in his primary role is Astro Boy’s younger brother, created by Dr. Tenma, the same scientist who created Astro.  Although the origin stories of both Astro Boy and of Atlas vary, generally speaking, Atlas is created by Dr. Tenma after his disappointment in Astro.

Atlas is as powerful if not more powerful than Astro, with the same super-brain technology capable of thinking like a human.  Yet, he does not have to obey the robot laws which make Astro unable to reject and rebel against humanity.  Free from Astro’s restrictions, Atlas comes to the conclusion that robots and humans can never coexist peacefully together without robots being oppressed and exploited, so attempts to lead a robot revolution and found a robot nation.

In the animated Metropolis (2001) movie, Atlas appears as a human revolutionary leader leading a revolution for the rights of human workers displaced by robots. While this is a deliberate reversal of this original story, it is also a striking example of how Tezuka’s Star System explores characters who tend to fall into the same types of lives regardless of the circumstances they encounter.

Although unconfirmed, it is believed that Atlas also appears in Black Jack (1973-83), Chapters “Your Mistake!” (1976) and “Black Jack in Hospital” (1977) as an irresponsible young doctor, who is quick to pawn his mistakes off on others.  One of the reasons for this is that his father, the hospital director, is played by Dr. Tenma.

(Source: Tezuka In English)

Atom is a robotic boy that posses super human powers and an artificial intelligence system that is unparalleled to any robot. His creator, Dr. Tenma, created him to replace his late son, Tobio. Dr. Tenma soon destroys his laboratory, after the creation of Atom, and shuts down Atom. Soon after, Dr. Ochanomizu, the head of the Ministry of Science revives Atom, and tries to give him a normal life as a 6th grade student that helps the police agency keep renegade robots and bigot humans from causing harm. Atom faces extreme racism for being a robot, and he must discover the truth about his creator Dr. Tenma.
 
(Source: Anime News Network)

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In the distant year 2003, Japan is a technological utopia, and robots are everywhere. One such robot, Tobio, was built by the brilliant Dr. Tenma to replace his dead son. But when it soon becomes apparent that Tobio is an imperfect copy of his departed child, Dr. Tenma throws him out. He is rescued from the scrap heap by the benevolent Professor Ochanomizu, a crusader for robot civil rights. Now the little robot, renamed Astro Boy, is given a mission to defend Japan and the world from all manner of sinister threats. Using his seven super-abilities and 100,000 horsepower worth of strength to battle evil, Astro hopes to set an example to the world of the good which all robots are capable of. 

Creating a robotic boy in the image of his recently deceased son Tobio, Professor Tenma thought nothing could go wrong now that his beloved child had been "reborn"... that is, until he comes to realize that this invention could never replace his son. Before long, however, the robot is kidnapped and spirited away to a robot circus in America, where he is soon rescued by Dr. Ochanomizu, and taken into his care. Tobio is given the new name Tetsuwan Atom, and transforms into Japan's crime-fighting hero, although his anti-violent pacifist views and overall childlike naivety tend to clash with his battles often. 
(Source: Anime News Network)

__Date of birth:__ February 9, 1930
__Hometown:__ Odawara, Kanagawa Prefecture, Japan
Michiru Houhouu was a Japanese film actress and voice actress.

Her father Hideji Houjouu, was a Japanese author, novelist, and playwright. Michiru retired from acting after his death and managed his works.

In the distant year 2003, Japan is a technological utopia, and robots are everywhere. One such robot, Tobio, was built by the brilliant Dr. Tenma to replace his dead son. But when it soon becomes apparent that Tobio is an imperfect copy of his departed child, Dr. Tenma throws him out. He is rescued from the scrap heap by the benevolent Professor Ochanomizu, a crusader for robot civil rights. Now the little robot, renamed Astro Boy, is given a mission to defend Japan and the world from all manner of sinister threats. Using his seven super-abilities and 100,000 horsepower worth of strength to battle evil, Astro hopes to set an example to the world of the good which all robots are capable of. 

Note: Chapter count only includes chapters from the original 1952 to 1968 serial

Compilation of various Astro Boy side stories from different publications that were first published in 1964 to 1981.