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Arto Nieminen is one of the most popular voice actors in Finland. He has voiced a lot of different characters, including:
- The Fairly Odd Parents as Mr. Turner (seasons 1-7)
- The Powerpuff Girls Movie as Mojo Jojo
- Pokémon as Meowth (season 8-present)
- Thomas and Friends as Stephen
- Spider-Man: The Animated Series as J. Jonah Jameson
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