Nice

But he’s not an agent of Dio.

It would be so f**king cool if he was actually one of DIO's agents...

Wait what no he's not an agent but it would have been an interesting and cool twist to the story...

maybe

Where did you even get this screenshot? It doesn’t say that on the wiki nor does it say it on JoJo’s Bizarre Encyclopedia.

Mm

Where's the source

Technically, it'd be DIO - Member of Passione, since Diavolo indirectly gave DIO his Stand

https://villains.fandom.com/wiki/Diavolo?so=search