was a Japanese actor and voice actor. He was born in Kà Âchi Prefecture. He usually played villains and performed the voices for many anime characters and tokusatsu villains. He is most famous for voicing Kaminari in Doraemon. He took over the ongoing roles of Shingo Kanemoto after his death. Other major roles included Inspector Takao Arizuka in the You're Under Arrest franchise, Naoyuki Kamikurata in ', Colonel John Kowen in ', and Director Yachio Tokugawa in Strawberry Eggs. He also wrote an instructional book about voice acting, Seiyà « Naritai. On December 13, 2010, Watabe was being treated for lung cancer until he died of pneumonia at the age of 74.
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He was sometimes paired up with Kaoru Shinoda.