It's hard to pinpoint a single 'strongest stand' in Jojo manga. Different stands have unique abilities and advantages. For example, The World has the power to stop time, which gives it a significant edge in many situations.
Well, one key feature is the diverse characters from the JoJo universe. They each have their unique abilities and fighting styles, which makes the story battles very exciting.
Jotaro Kujo is often considered very popular. His Star Platinum is extremely powerful. Also, Dio Brando is a well - liked character. His charisma and his Time Stop ability are quite iconic. Another popular one could be Giorno Giovanna. His Gold Experience Requiem has some amazing abilities that make him stand out in the game.
I'm not entirely sure about the specific main characters in this particular 'jojo all star battle baoh story'. But in the Jojo series in general, there are characters like Jonathan Joestar, Dio Brando who are very well - known.
The story basically revolves around the clashes between different JoJo characters. They have their own motives and grudges, which lead to epic battles. It also showcases the evolution of the JoJo universe through these battles and interactions.