Which JoJo names are different in English?

Viz Media, JoJo's English publisher, has stated that copyright issues were the predominant reason behind the name changes, in words that have been quoted ever since: the difficulty with JoJo is that it is basically a lawyer's nightmare, with all the blatant references to real musicians and fashion designers, difficult to release at all, let alone uncensored. Viz pointed at Part 4 alone: Red Hot Chili Pepper, Echoes, Cheap Trick, Pearl Jam, a page of rightsholders to contact and work with, on top of checking the art itself.

The exposure is old. Viz's first English manga edition, the 2005 Stardust Crusaders, changed the names of several characters and Stands due to legal concerns two decades ago.

The method is translation by camouflage: keep the meaning, lose the trademark. Sticky Fingers, a Rolling Stones album title, becomes Zipper Man, a literal description of what the Stand does. Sex Pistols becomes Six Bullets. Gold Experience, Prince's album, becomes Golden Wind. Echoes becomes Reverb; Red Hot Chili Pepper sheds its first word to Chili Pepper; Beach Boy becomes Fisher Man; Kraft Work becomes Arts and Crafts; Man in the Mirror becomes Mirror Man. Even Shueisha's own English-language art site lists Josuke's Stand as Shining Diamond and Ermes's as Smack, where the Japanese names are Crazy Diamond and Kiss.

The swaps are not smuggled past the author. Bandai Namco, publisher of the JoJo games in North America, has stated it plainly: names were changed because of copyright issues, and every single change was submitted to and approved by Araki himself. The two-name system is official on both sides of the Pacific, which is why an English reader and a Japanese reader can argue about a Stand's name and both be holding a real one.