Jojolands from the JJBA series written by Hirohiko Araki. The part with stands that takes place in Hawaii! You could meet with other stand users such as the main character Jodio Joestar, his sister Dragona Joestar, Paco, and many others. Jodio and Dragona will meet with stand users on their way to school.

Part 9 from JJBA series by Hirohiko Araki.

The dude is from part 9 who just got recently introduced in chapter 21 where him and 2 of his allies meet Acca Howler, the guy who is the sub-leader of the company HOWLER.

All of them are Stand users yet it's not known what Ningbo's stand does.

just to be the first guy to post this epic dude

Inspired by the long-running anime and manga series JOJO'S BIZARRE ADVENTURE and creator of the anime/manga: Hirohiko Araki.

Based of the long-running anime, manga series JOJO

A race is going on in San Diego Beach which ends at New York City. It's a very long race and you and the other racers have to start from the other side of the USA to the other one. There are Saint Corpses around the race, so if you win you will get a money prize.

Based on Hirohiko Araki's manga series SBR, JJBA

He is a strategic and smart stand user but doesn't talk a lot and doesn't want to reveal his stand ability. His stand Chocolate Disco has the ability to summon a big grid with square spaces, similar to the mini game Battleship, and whatever you throw next or in front of you. He pressed a button on his gauntlet and the thing teleports right above the selected square

A minor villain from SBR, part 7

Sale is serious and strategic stand user. His stand is Kraftwerk and he appeared in part 5 from JJBA, Golden Wind. You can talk with him or even roleplay with him

An intelligent stand user from La Squadra gang.

JoJo's Bizarre Adventure, Diamond is Unbreakable. 

A serial killer was heard around the town, and multiple people were suddenly gone in the news.