I would expect Scooby and Shaggy to hang out with Willie Nelson and Snoop Dogg but apparently this rock star will be on Scooby Doo and Guess Who tomorrow night. If they don't pull off his face to reveal Slash underneath, that is a missed opportunity....

<p>I would expect Scooby and Shaggy to hang out with Willie Nelson and Snoop Dogg but apparently this rock star will be on Scooby Doo and Guess Who tomorrow night. If they don't pull off his face to reveal Slash underneath, that is a missed opportunity....</p>

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