Michael Jackson's rein as the number one entertainer of the 1980s is undisputed. But Michael-mania wasn't just a time for the future King of Pop to make a heap of money from record sales, it was also a time for him to cash in on millions of dollars to be earned from licensing deals with various companies who sought to use the popularity of Michael Jackson to sell their products. Day 4 is part 1 of a two-parter, and we take a look at some of the best and worst of 1980s MJ-Main Merch!