His old friends from Hogwarts would surely be regulars. Ron and Hermione would be there often. Neville might come to relax after a day of teaching Herbology at Hogwarts. Luna could drop by to share her latest theories about magical creatures while sipping on a strange - looking drink. Hagrid might also be a regular, though he'd need a special - sized chair.
Well, I think students from Hogwarts, especially those in their seventh year or older, might be regulars when they have a Hogsmeade weekend. They'd be curious to see what Harry Potter's bar is all about. Also, some of the old Order of the Phoenix members would come to keep in touch and have a friendly chat. And don't forget about the Weasley family. They'd be popping in all the time, bringing their unique Weasley charm to the bar.
The regular customers could be Naruto's friends from the ninja academy. They would come to the bar to relax and catch up on old times. Also, other ninjas from the Hidden Leaf Village might stop by after a long mission.
Other potion shop owners might visit too. Not as customers in the traditional sense, but more to check out the competition. They might be curious about Harry's unique potions. And then there are the local wizards and witches in the area where the shop is located. They could need potions for daily life, like a potion to make their gardens grow better or a potion to keep their pets healthy.
Well, the regular customers could include some of Harry's old friends from Hogwarts, like Ron and Hermione. They would support Harry's business and enjoy the unique atmosphere. In addition to that, supernatural hunters from the Supernatural world might stop by. They could be looking for information about certain supernatural beings that might be lurking around the bar. And of course, there would be the local supernatural community, such as witches and warlocks who are not directly related to Hogwarts but are interested in the mix of magic and the new - found supernatural elements in the bar.
His Hogwarts friends would probably be the first. Hermione would be eager to check out any new books or intelligent - enhancing potions. Ron would be interested in any food - related magical items, like everlasting candies.
Her old Hogwarts friends would be very likely customers. They would come to support her new business and also to relive their old memories together. Hermione would probably come often to discuss books and new spells while having a drink.
Definitely Hogwarts students. They'd come during their free time or on trips to Hogsmeade. They'd be eager to try Harry's special magical treats.
Hermione would probably be a regular. She'd come to the cafe to study while enjoying a warm cup of Butterbeer latte. She might even bring some books from the Hogwarts library to read there.
His old ninja friends like Sasuke, Sakura could be regulars.
Students from Hogwarts could be regulars. They might come during Hogsmeade visits. Also, young wizards and witches starting their careers in Diagon Alley would stop by. And of course, some of the older professors might pop in for a cup of their favorite brew.
Hermione would definitely be a regular. She might come to the bar to relax after a long day of studying ancient spells at the library. Ron would also be there often, enjoying Harry's special butterbeer with extra foam. Hagrid could be another regular, coming in for a large tankard of a strong, warming drink.