M.J.'s Cartoon Character

Okay, so you know Michael Jackson, right? And you've probably seen cartoons before, even though I doubt you've understood them. Well, this "joke" combines the two! The punchline, "Muzan Kibutsuji," sounds kinda like Michael Jackson if you say it wrong. It's wordplay, get it? But it's also super dumb and not funny. You're welcome for explaining this high level joke to you, my friend.