Game Maker's Toolkit creator reports an AI clone of his voice narrating another YouTube channel's videos
WIRED reported on 21 May 2025 that Mark Brown, creator of the Game Maker's Toolkit YouTube channel, says another YouTube channel published a video about Doom: The Dark Ages narrated with an AI version of his voice, made without his knowledge or consent, and that a second video that appears to feature his voice is also online. Brown filed a privacy complaint with YouTube. Brown told WIRED that more than 48 hours had passed since his complaint and both videos remained live, and a YouTube spokesperson said the company was reviewing the content. Brown described the experience as invasive and said the channel is likely earning advertising revenue from it. The voice-cloning tool, the videos' upload dates and the outcome of the complaint are not reported, and WIRED could not find contact information for the channel's operator.
- AI system
- Unidentified voice-cloning tool
- Unknown
- Occurred
- Event date unknown
- Reported
- 21 May 2025
- Event location
- Unknown
- What the AI did
- Depicted or impersonated the person
- Reported harm
- Loss of Autonomy
- Whose AI use
- Someone else’s AI use
- Setting
- Everyday life · Privacy
- Evidence
- AI involvement reported · Causal attribution alleged · 2 sources, 1 underlying account
- 5 claims: 5 reported. 6 open questions
- People reported harmed
- At least 1 person
AI system as recorded: Unspecified AI voice-cloning tool
Reported harm
Brown says the use of an AI version of his voice is 'weird and invasive' and 'a distinct part of who I am', and that the channel's operator is likely collecting advertising revenue while removing comments where people say they have stolen his voice. These are Brown's own statements to WIRED. No independent confirmation of the cloning or of the revenue is reported.
What remains unknown
- When the two videos were uploaded is not stated, so the event start date is unknown.
- The AI voice-cloning tool used is not identified. The AIAAIC page names ChatGPT, and no inspected source supports that.
- The channel's operator is not quoted: WIRED reports it was unable to find contact information for the person behind the channel.
- Whether YouTube removed the videos or found a policy violation after WIRED's article is not reported in the inspected sources.
- The creator's country and the country of the channel's operator are not stated.
- The revenue the channel earns from the videos is the creator's estimate. WIRED reports a view count of over 60,000 for the full-length video.
What the evidence supports
AI involvement: reported. Brown says the narration is an AI version of his voice. WIRED does not report analysing the audio or identifying the tool, and was unable to find contact information for the person behind the channel, so the operator's account is absent. WIRED describes the narration as one that 'may be familiar to video game fans as that of Mark Brown'.
5 claims: 5 reported. What the statuses mean
Reported According to the creator, a video about Doom: The Dark Ages on another YouTube channel was narrated with an AI version of his voice that he did not record and did not consent to.
Causal attribution. The account is the creator's statement to WIRED. No forensic analysis of the voice is reported, and WIRED was unable to find contact information for the person behind the channel. The CO/AI page summarises the WIRED article.
- wired.com(opens in new tab) supports · English
Brown had nothing to do with the video.
- wired.com(opens in new tab) supports · English
has used an AI version of his voice without his knowledge or consent.
- getcoai.com(opens in new tab) supports · English
using an AI-generated version of Brown’s distinctive British voice
Reported A second video that appears to feature the creator's voice, about the game series' lore, is also online.
Causal attribution. WIRED's wording is 'appears to feature his voice'. No analysis of the second video is reported.
- wired.com(opens in new tab) supports · English
A second video that appears to feature his voice is also online, this one about the series’ lore.
Reported The creator filed a privacy complaint with YouTube, and when WIRED wrote more than 48 hours had passed without removal, with both videos still live.
Causal attribution. The timing and the videos' status come from the creator. WIRED does not report checking the page itself.
- wired.com(opens in new tab) supports · English
Brown filed a privacy complaint to YouTube
- wired.com(opens in new tab) supports · English
Brown says it’s been more than 48 hours since he reached out. Both videos remain live.
Reported A YouTube spokesperson told WIRED that YouTube expanded its privacy request policy in 2024 to cover removal of AI-generated or synthetic content that simulates a person's face or voice, and that the company was reviewing this content to determine whether it violates the policy.
Causal attribution. The statement is YouTube's own, relayed by WIRED. It does not confirm that the content is AI-generated.
- wired.com(opens in new tab) supports · English
to allow users to request the removal of AI-generated or other synthetic or altered content that simulates their face or voice.
- wired.com(opens in new tab) supports · English
the company is reviewing the content to determine if a violation has been made.
Reported The creator says the use of his voice is 'weird and invasive' and 'a distinct part of who I am', that the other channel is likely collecting a fair amount of advertising money, and that its operator has been removing comments where people say they have stolen his voice.
Causal attribution. All four details are the creator's own statements to WIRED. Revenue and comment removal are not independently confirmed.
- wired.com(opens in new tab) supports · English
it's just so weird and invasive
- wired.com(opens in new tab) supports · English
It's a distinct part of who I am.
- wired.com(opens in new tab) supports · English
it’s likely collecting “a fair amount” of ad money.
- wired.com(opens in new tab) supports · English
has been removing comments where people say they’ve stolen Brown’s voice.
Sources
2 sources inspected, from 1 underlying account. Sources that repeat one account do not corroborate each other.
- WIRED, 21 May 2025, a gaming YouTuber says an AI-generated clone of his voice is being used to narrate Doom videos(opens in new tab)
s1 · wired.com · News report · English · Inspected · Shares an underlying account with another listed source · Primary
- CO/AI, 22 May 2025, summary of the WIRED report(opens in new tab)
s2 · getcoai.com · News report · English · Inspected · Shares an underlying account with another listed source
How the sources were read, and where the events happened
Summary of the WIRED article. Adds no independent reporting. Applies to s2.
Event countries: Unknown. Affected-person countries: Unknown. Court countries: Unknown.
The sources do not state where the creator, the channel operator or the upload took place. WIRED describes the narrator as British and notes the creator previously wrote for WIRED UK, which does not establish a location. No court proceeding is reported.
Reviewed for publication 2026-09-29: One WIRED article (21 May 2025) is the only original reporting, with a CO/AI summary of it in the same independence group. All claims are the creator's own statements or YouTube's statement as relayed by WIRED, so all are reported. The accused channel and its operator are not named because no operator statement exists. The creator is named because he spoke to WIRED under his own name. The upload dates are unknown, so the case is published undated and outside the 2025 event-year count.
People reported harmed in this case
At least 1 person
0 AI participants · 1 other person harmed
One person, the creator who says his voice was cloned, is reported harmed. Subscribers and viewers of either channel are not counted.
Counted once within this case. The same person may appear in other cases. This count does not establish AI causation.
Cite this case
Compiled per our published methodology: verification statuses, sourcing standards, and corrections process.
APA
NOPE. (2026). Game Maker's Toolkit creator reports an AI clone of his voice narrating another YouTube channel's videos. AI incidents. https://nope.net/incidents/2025-game-makers-toolkit-creator-reports-ai-voice-clone-in-youtube-videos
BibTeX
@misc{2025_game_makers_toolkit_creator_reports_ai_voice_clone_in_youtube_videos,
title = {Game Maker's Toolkit creator reports an AI clone of his voice narrating another YouTube channel's videos},
author = {NOPE},
year = {2026},
howpublished = {AI incidents},
url = {https://nope.net/incidents/2025-game-makers-toolkit-creator-reports-ai-voice-clone-in-youtube-videos}
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