While the lead characters of My Hero Academia: Vigilantes might not be pro heroes, there are still more than a few that pop up from time to time, including a few recognizable faces from the original series.
Spoilers incoming for My Hero Academia: Vigilantes, so if you haven't read the series yet you've been warned.
My Hero Academia: Vigilantes is the manga spinoff of My Hero Academia, and goes outside the Pro Hero world of UA and instead focuses on those who fight crime outside the boundaries of the law. Knuckleduster, Koichi, and Pop Step are front an center, but a few issues in you'll notice the likes of heroes like All Might, Endeavor, Kamui Woods, and Midnight, though those are often just small cameos.
There are two My Hero Academia characters that show up quite a bit actually, and first up is Ingenium. Tensei Lida ends up coming to the aid of Koichi on multiple occasions, even going so far as to give him his card if he decides to pursue being a hero at UA. The two work well together, and Ingenium is one of the few to know Koichi's identity.
The most prevalent
More characters will probably make the jump over to Vigilantes eventually, and we'll keep you updated when they do.
My Hero Academia: Vigilantes is written by Hideyuki Furuhashi and drawn by Betten Court, and is based on the