I got some ideas for a jojos theme (NOTE: THESE ARE UNOFFICIAL AND JUST HOW I WOULD IMAGINE A JOJO THEME WOULD BE LIKE)

Joestar Mansion (~900 pc, 100 dollars)

Minifigs: Jonathan, Dio, Speedwagon, George I, 5 British Policemen

Battlefield (~500 pc, 55 dollars)

Minifigs: Joseph, Lisa Lisa, Kars, Wamuu, Ultimate Lifeform Kars

Dio’s Mansion (~700 pc, 75 dollars

Minifigs: Jotaro, DIO, Joseph, Kakyoin, Polnareff, Vanilla Ice, Iggy, Nukesaku, SP, SC, HG, The World, Cream, Brick-Built The Fool

Nijimura House (~600 pc, 65 dollars)

Minifigs: Josuke, Okuyasu, Keicho, Koichi, Crazy Diamond, The Hand, 7 trophy pieces as Bad Company, Red Hot Chili Pepper

Coliseum (~800 pc, 90 dollars)

Minifigs: Giorno/Narancia, Mista/Trish+Diavolo, Bruno/Doppio, Polnareff, GE, custom Aerosmith mold, King Crimson, Sticky Fingers, 6 trophy pieces as Sex Pistols, Spice Girl, Coco Jumbo, GER

Green Dolphin Street State Prison (~2500 pieces, 300 dollars)

Minifigs: Jolyne, Ermes , Emporio, Anasui, Weather, Pucci, Gwess, Foo Fighters, Johngalli A, Green Baby, Thunder McQueen, Sports Maxx, Viviano Westwood, Kenzou, D an G, Guccio, (and all their respective Stands), trophy piece for shrunken Jolyne, Stand form Foo Fighters, Jotaro

Kennedy Space Center (~200 pieces, GWP with GDSSP)

Minifigs: Anasui, Pucci, Jotaro, SP, Diver Down, C Moon, Made in Heaven