- is best friend of the main JoJo
- is (often) the first protagonist to fight JoJo
- takes on the main villain of that Part
- dies for JoJo
Who I think are the JoBros (except Okuyasu, they are my favorite characters of each Part):
Part 1: Will Zeppeli
Part 2: Caesar Zeppeli
Part 3: Tenmei Kakyoin
Part 4: Okuyasu Nijimura
Part 5: Bruno Bucciarati