Main antagonist of [[JoJo no Kimyou na Bouken]] Parts 1 and 3, also playing an indirect, yet major, part in Part 6. Becomes a [[vampire]] during the events of Part 1 via the [[Stone Mask (jojo)|]]. Gains a [[Stand (jojo)|]] power named [[The World]] in Part 3.

Had many illegitimate children during his time as a vampire lord, most notably [[Giorno Giovanna]], the main protagonist of Part 5. Three of his other sons also appear in Part 6 as antagonists, [[Donatello Versus]], [[Rikiel]], and [[Ungaro]].

His namesakes are Ronnie James Dio and Marlon Brando.

Famous for memes such as [[wryyyyyyyyyyyyyyyyyyyy]], [[ZA WARUDO]], and [[ROAD ROLLER DA! (meme)|]].

h4. See also
* [[Kono Dio Da (meme)|]]
* [[I reject my humanity (meme)|]]
* [[Heaven Ascended Dio]]
ディオ・ブランドー DIO