Thundercats Codexery
An unofficial illustrated fan codex of Thundercats — its characters, world, story, powers, and lore.
Characters & Allies
Lion-O · Tygra · Mumm-Ra · Panthera · He-Man/ThunderCats
Worlds & Locations
Third Earth · Thundera · Tower of Omens · Valley of Spirits · ThunderCave · Mountain of Vision · Temple of the Ancients · Lair of the Mutants
Episodes & Story Arcs
Mumm-Ra Lives! · The Trial of Lion-O Part Three · The Ancient One
Factions & Organizations
The ThunderCats · Grune's Mutant Squad · The Ancient Spirits · The Sorcerer's Cult · The Great Tiger · Mumm-Ra's Forces · The Plun-Darr Mutant Army · The Snarf Village Elders · The Thunderian High Council · The Great Sphinx of Thundera
Powers & Artifacts
Mumm-Ra's Transformation · Lion-O's Speed · Tygra's Stealth · Lion-O's Claws · Cheetara's Speed · Panthro's Strength · Sword of Omens · Crown of Thundera · The Crystal of Power
History & Mythology
The Prophecy of the Great Eye · The Myth of the Eternal Flame · The Myth of the Sky City · Legend of the Sword of Omens · Secrets of the Book of Omens · Curse of Mumm-Ra