Brainiac 5

Brainiac 5
Cover to Final Crisis: Legion of Three Worlds #1 (2009).
Art by George Pérez.
Publication information
PublisherDC Comics
First appearanceAction Comics #276
(May 1961)
Created byJerry Siegel
Jim Mooney
(based on Brainiac by Otto Binder and Al Plastino)
In-story information
Alter egoQuerl Dox
SpeciesColuan
Place of originColu
Team affiliationsLegion of Super-Heroes
Notable aliasesBrainiac 5.1
B-5
Brainy
Abilities

Brainiac 5 (Querl Dox) is a superhero appearing in comics published by DC Comics. He is from the planet Colu and is a long-standing member of the Legion of Super-Heroes in the 30th and 31st centuries.

Brainiac 5 has been substantially adapted into other media, primarily in association with the Legion. He is voiced by Adam Wylie in Legion of Super Heroes (2006) and portrayed by James Marsters and Jesse Rath in Smallville and the Arrowverse respectively. A gender-swapped alternate universe variant of Brainiac 5 appears in the fifth season of Supergirl, portrayed by Rath's sister Meaghan Rath.