Billy Crystal at the premiere of Monsters University
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Billy Crystal becomes a monster

Hollywood actors Billy Crystal and John Goodman reprise their roles at Mike and Sulley in the new Monsters, Inc film

Billy Crystal and John Goodman resume their roles in the Monsters, Inc franchise.

The duo have teamed up again for Monsters University which re visits lovable monsters Mike and Sulley as they embark on college life.

The first Monsters, Inc film was released 12 years ago in 2001.

Footage courtesy of Disney Pixar