Public Domain Super Heroes


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Real Name

Koichi Araki

First Appearance

Public Domain Superheroes (Sept 2009)

Original Publisher

Public Domain Superheroes

Created by



Tachyon, aka The Digital Man, is the brainchild of Dr Kenji Araki, Professor of Robotics at Hirohito University. Unveiled at Araki Labs in the far-off year of 2001, Tachyon is the world's most advanced synthoid (synthetic humanoid), endowed with superhuman strength, speed and intelligence. Originally designed as an indestructible warrior, Tachyon quickly exceeds original programming after his creator is murdered by the international terrorist organization S.T.A.I.N. Swearing an oath to avenge his "father's" death, Tachyon engages in a one 'man' war against injustice and tyranny, travelling the world to battle the insidious forces of S.T.A.I.N. and its sinister allies.


Powered by a miniature anti-matter 'core', Tachyon is capable of moving at velocities approaching the speed of light. In addition, his strength exceeds 1,000,000 horse power, making him one of the most powerful beings on the face of the planet. His artificial brain can process data at 20 billion calculations a second, communicate in any computer code or language, and even store entire human personalities for unlimited periods of time (Dr Araki's memories were uploaded to Tachyon's neuro-system moments before his death, allowing the synthoid to experience human emotions for the first time).


Tachyon is an open source character specifically created for use by anyone. Feel free to use it any way you wish; author citations are not necessary.


Tachyon: design specifications including insignia and weaponry.

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