Next time you boot up Plants vs. Zombies for iPhone, you may notice something is a little different. That's because Popcap has opted to change the character Dancing Zombie, who bears a strong resemblance to deceased pop star Michael Jackson.

The zombie is a callback to the seminal musical video for "Thriller," in which Jackson appears as a zombie. The game was released before Jackson's death in June 2009, but the King of Pop's estate still isn't happy.

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