There are multiple artists with the name Dio.
1. Dio was an American heavy metal band formed in 1982 and led by vocalist Ronnie James Dio.
2. Dio is a Dutch hip hop artist.
1. Dio was an American heavy metal band formed in 1982 and led by vocalist Ronnie James Dio. Dio left Black Sabbath with intentions to form a new band with fellow former Black Sabbath drummer Vinny Appice. The name Dio was chosen because it made sense from a commercial standpoint, as the name was already well known at that time.
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