Sirius

Sirius (シリウス) is the mascot of Starbucks and a minor antagonist in "You can Ron Don do it!". She appears as an anime girl with green hair, a white crown with a white star atop it, and a green and white striped dress. She is a Stand User.

Powers
Singer- Due to being a siren, she has an extraordinary singing voice, being capable of luring men with it.

Starbucks Mascot- Is a mascot for a coffee company, so she is more active than most of the other villains.

Siren's Star Storm- Her stand.