Pegasus Tenma
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天 馬 (tenba) is the Japanese term for a heavenly horse, though “Pegasus” is preferred nowadays. Kurumada decided to force the variant “ma” (instead of “ba”) to avoid a complete redudancy in the character’s name (though it is still there, lol).
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Since Next Dimension and Lost Canvas are parallel universes of the same event (18th Century Holy War vs Hades) LC!Tenma’s name is meant to have the same meaning. However, to avoid having to clarify which is which every time, his is written in katakana (テンマ、primarly phonetical) instead of kanji.