Ronnie James Dio

Ronnie James Dio was an influential American heavy metal singer and songwriter, known for his powerful voice and dramatic stage presence. Born in 1942, he gained fame as the frontman for bands like Rainbow, Black Sabbath, and his own group, Dio. Dio is credited with popularizing the "devil horns" hand gesture in rock culture and is celebrated for his fantasy-themed lyrics and iconic songs such as "Holy Diver" and "Rainbow in the Dark." He was a key figure in the heavy metal genre until his death in 2010, leaving a lasting legacy in music.