Jungle King was a rejected Legionnaire applicant, who could control animals with his mind.

Angry that he had been rejected, he renamed himself Monster Master and used his powers to gather some of the most dangerous creatures in the universe. He formed "The Legion of Super-Monsters" for the purpose of terrorizing people and getting revenge against the Legion. His first attempt at revenge, toppling Sky City, was met with failure when the Legion arrived and stopped the city from being toppled over, however Monster Master and his Super-Beasts managed to escape.

Tracking Monster Master to the planet Inshar, the Legion battled each of the Super-Beasts, and each were swiftly defeated. Ironically, Monster Master met his own demise when he rejected a "gas creature" who was interested in joining his Legion of Super-Monsters. The rejected creature killed him by making him a lifeless gas form.




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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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