Jojo ’s main villains run the gamut from prophecy-obsessed presidents to megalomaniacal super-vampires, yet they rarely garner as much hatred as one 9-year-old kid from Morioh.

Ironically enough, while Rohan might receive the live-action treatment at a steady clip, the main JoJo’s Bizarre Adventure series has only had one film to depict its wild story. Rohan’s Return ...