Yes, it really was Neil Gaiman who wrote Princess Mononoke's English dub

It's official. Neil Gaiman has told the Twitterverse that his writer credit for the English dub of Studio Ghibli's Princess Mononoke was erased because Hollywood.
It's official. Neil Gaiman has told the Twitterverse that his writer credit for the English dub of Studio Ghibli's Princess Mononoke was erased because Hollywood.

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Neil Gaiman explains why he was cut out of the English movie poster for 'Princess Mononoke