User blog comment:Joeaikman/Marik Ishtar vs The Joker - Rap Battle/@comment-26427548-20161023231259/@comment-9623756-20161023235508

The Joker thing is done to represent the anarchy of the character, as well as the twisted mindset. He defies the expectation of different Jokers in different verses by having them all pushed together to create more of a frenzy.