Ron-Karr is a native of the planet Neptune, who has the ability to flatten his body.

His application for Legion membership is rejected, as his power is considered "too unusual."

He joins the Legion of Super-Villains during war between the two Legions.

He eventually redeems himself when he joins the Legion of Substitute Heroes, in their fight against the Dominators' control of Earth.


  • Transformation: He has the ability to make a startling transformation that allows him to completely flatten his body like a pancake.



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Legion of Super-Heroes Villain(s)
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This character or group of characters is or was primarily an enemy of the Legion of Super-Heroes from the 31st Century, and may have existed in any of the various Legion continuities, including but not limited to the Original Legion, Reboot Legion, and the Prime Legion. This template will categorize articles that include it into the "Legion of Super-Heroes villains" category.

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