There's no way to really tell if it's common specifically for someone named Jojo. However, in general, reading fanfiction is a popular activity among fans of many different franchises. The Jojo series has a large and dedicated fan base, so it's likely that there are fans named Jojo who partake in reading fanfiction, but we can't say for sure how common it is without more data.
Fanfiction is a bit of a grey area legally. Technically, most fanfiction is created without official permission from the original creators of JoJo. However, as long as it's not being used for commercial gain and is more of a fan - made homage, it's generally tolerated. So, in the sense of reading (not really 'watching' as it's text) it's not typically actively prosecuted, but it's not fully legal in the strictest sense either.
The number of JoJo mangas can be a bit hard to pin down precisely. There are the main series volumes, along with special editions and related works. But you can expect a substantial collection over the years.
The length of the JoJo manga varies depending on which part you consider. Some parts are shorter, while others are more extensive. In total, it's a substantial body of work that has captured fans' attention for years.
The concept has a significant impact on the JoJo fandom. Firstly, it deepens the connection between fans and the characters. By imagining characters reading fanfiction, fans feel closer to them. Also, it can inspire new trends in fanfiction writing. Writers might start creating stories specifically with the idea of a character's reaction in mind, leading to more diverse and interesting fan works. Moreover, it can increase the sense of community as fans share their ideas about characters and fanfiction.
Super Baby Jojo is a children's cartoon that can be watched online for free. It is suitable for children under the age of 13. Through storylines and parent-child activities, it can promote the comprehensive development of the child's body and senses, and cultivate physical coordination, imitation, and expression. In addition, it also provided age-appropriate learning opportunities and opportunities to understand the world, supported parents to easily raise children, and encouraged parents to appreciate and participate with their children. He might need to know more about the specific viewing method.