I'm not sure specifically what Joe knows about reefs in Pulp Fiction as there is no obvious connection between reefs and the movie. It could be that this is a very specific or misphrased reference.
I'm not sure if there is a direct relation between 'Monster Joe' and 'Pulp Fiction' as the two are not commonly associated in a well - known way. There could be some sort of fan - made or very niche connection, but without more context, it's hard to say for sure.
Joe Pilato is an actor. In the context of 'Pulp Fiction', he might have played a certain role or been involved in the production in some capacity, but without more specific research, it's hard to say exactly what his contribution was.
In Pulp Fiction, Joe Cabot is a significant figure. He is part of the underworld or criminal element that the movie portrays. His actions and decisions probably have an impact on the other characters' fates. But to fully understand his character, one needs to closely analyze his scenes and the dialogues he has with others in the film.
There's no obvious connection that comes to mind between 'Joe' and 'Blue' in 'Pulp Fiction' just based on the movie itself. It could be a random combination of words that someone is using to ask about the movie in a more creative or exploratory way.
I'm not entirely sure who 'Joe Blue' specifically is in relation to 'Pulp Fiction'. It might be a very minor character or something not widely known. Maybe it's a name made up for a specific interpretation or fan theory.