Anthro is a fictional superhero character published by DC Comics, presented as the "first boy", a caveman born to Neanderthal parents.

Subsequently, Anthro appeared in the 2006 revival of Tales of the Unexpected and the 2008 miniseries Final Crisis by Grant Morrison and J. G. Jones.

Anthro is featured in the graphic novel Doctor Thirteen: Architecture & Mortality, where he is frozen in ice and resurrected in the modern day.

[11] In The Multiversity - The Society of Super-Heroes: Conquerors from the Counter-World #1 (2014), it is revealed that Immortal Man of Earth-20 is Anthro, who was exposed to the same meteorite that bestowed Vandal Savage's powers on him.

He and Doc Fate's Society of Super-Heroes are Earth-20's last defence from an invasion by their paired evil world, Earth-40, where the militia is led by Savage and Lady Shiva.