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Brainiac 5 is a Coluan member of the Legion of Super-Heroes in the 31st Century. He has a 12th-level intellect making him one of the smartest life forms in the univers. He was a descendant of the original Brainiac, who had at some point discovered a way to pass his code down biologically.

When the Justice League members Supergirl, Green Arrow, and John Stewart were transported to the 31st Century by Brainiac 5 and Bouncing Boy in order to rescue the rest of the Legion from the Fatal Five.

John Stewart falls under the control of the Emerald Empress mind control device, but thanks to Supergirl the team are able to rescue everyone. Supergirl comfort with the era reminding her of home and her feeling for Brainiac 5 changes her mind and wishes to stay behind in the 31st Century


  • 12th-Level Intellect: Like all members of the Brainiac family, possesses a superior intellect, on the order of a 12th-level intellect.[1]


  • Brainiac 5 is also known as Brainy.


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Legion of Super-Heroes member
This character is or was a member of the Legion of Super-Heroes from the 30th/31st Century, in any one of their various continuities. Including but not limited to, Original Legion, the Reboot Legion, and the Prime Legion.
This template will categorize articles that include it into the "Legion of Super-Heroes members" category.

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