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Tsuda Kenjiro sues TikTok over AI voice cloning used in 188 videos earning up to ¥750k/month

Voice actor Tsuda Kenjiro has filed a lawsuit against a TikTok user in Japan over the unauthorized use of AI-generated voice cloning mimicking his voice in over 188 videos.

Incident date
May 2026
Target
Tsuda Kenjiro
Updated May 23, 2026 · 1 min read

A lawsuit has been filed in Japan by voice actor Tsuda Kenjiro against an anonymous TikTok user. The suit alleges unauthorized use of AI-generated voice cloning that mimicked Tsuda's voice in numerous videos.

What happened

The lawsuit claims that at least 188 videos on TikTok featured AI-generated narration closely resembling Tsuda's distinctive voice. Tsuda's legal team argues that the videos violate his publicity rights, as his voice is closely tied to his public identity and career. The TikTok account reportedly earned up to ¥750,000 per month using the AI-generated voice. Comments on the videos, such as "This sounds exactly like Kenjiro Tsuda," are being used as evidence. The case is considered a significant one regarding unauthorized AI voice cloning in Japan, potentially setting legal standards for voice similarity and AI use in the entertainment industry.

Sources