JoJo's Bizarre Adventure Theory: Jotaro's Stand Is Jonathan Joestar

It's believed that Jonathan followed Dio into the future, serving as Jotaro's Stand, Star Platinum, to finally put an end to his brother's evil.

Jojo's Standposting - Reminder that Joseph and Jotaro are spitting image of Jonathan.

JoJo's Bizarre Adventure (TV Series 2012– ) - News - IMDb

JoJo's Bizarre Adventure and the Generosity of Storytelling

Jojo's Bizarre Adventure jaw-dropping theory - Why are Jotaro's and Dio's stand abilities the same? - Spiel Anime

Stand Oc's Ideas - Rival of Jonathan Kujo Joestar. Aka Star Platinum - Wattpad

JoJo's Bizarre Adventure (TV Series 2012– ) - News - IMDb

I made a humanoid form/design for The Passion, Jonathan's Stand from Jorge Joestar : r/StardustCrusaders

SPOILERS) Concerning Jotaro Kujo's place in the SBRverse

The Cathode Ray Mission: Jojo's Bizarre Adventure Vento Aureo, by Jake Dihel

In JoJo's Bizarre Adventures, was Jotaro's Star Platinum stand ability always The World? How come he never used it or couldn't use it until he fought Dio? - Quora