Rumor Guide - Who Designed Super Saiyan 4?

Kanzenshuu provides the back history, context, and facts surrounding Super Saiyan 4's design by Katsuyoshi Nakatsuru (not Akira Toriyama!)

Rumor Guide - Who Designed Super Saiyan 4?

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Rumor Guide - Who Designed Super Saiyan 4?

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Why does everyone have such a problem with the idea of Super Saiyan 4 being as powerful as a Super Saiyan God Super Saiyan? - Quora

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