When it comes to synonyms for "MJ," there are a number of different options to choose from depending on the context. Some common alternatives might include "Michael Jordan," "Michael Jackson," or simply "MJ" itself. For sports fans, "Air Jordan" could be another useful synonym, while music lovers might prefer the nickname "The King of Pop" for Michael Jackson. Some other options could include "Mister J" or "The Gloved One," both of which have been used in reference to Michael Jackson over the years. Ultimately, the best synonym for "MJ" will depend on the situation and the audience you're speaking or writing for.