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"Bill was as nice and down to Earth as you would expect," he added. "There are not many big time celebs that would be do something like that. People were so excited to see him."

The best way to return to your youth? Spending money on stuff.

They're doing Detroit-style versions of the Neapolitan pies, like the Bee Sting and Speckenwolf, and they are delicious.

There will be Costanza photos, cereal and a set-up for some Kramer-esque entrances.