Character » Mumm-Ra appears in 78 issues.
Giant who was turned to stone many years ago. He was awoken by Mumm-Ra and attacked the Thundercats. He was eventually turned back into stone.
Robot that is loyal to Grune. He is a mindless robot that is responsible for finding and mining Thundrillium.
A traitor to the Thundercats and Code of Thundera. Was exiled into deep space, but his ghost haunts Third Earth, as well as Lion-O and his Thundercats.
An evil mutant.
Plundarrian mutant who serves his own needs. Crafty and deceitful, Ratat-O pilots his own deep space vessel the Rat Star
Mumm-Ra is an enemy of the Thundercats and a native of the planet they fled to after escaping Thundera. He worships evil spirits that give him amazing magical powers to use against the Thundercats.
Wielder of the Doom Gaze, trapped in a timewarp prison. Refers to Mumm-Ra as brother, even though he was the one who trapped her in the timewarp.
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