Presley Ann/Getty Actor Billy Crystal might be known forever ... she already had another boy. “I had to be Mike Wazowski every time I saw them for about a year after that. I was Grandpa Mike ...

Billy Crystal has admitted turning down a part ... to voice a Pixar character in Monsters Inc., which saw him playing Mike ...

Mike Wazowski (Billy Crystal) and James P. "Sully" Sullivan (John Goodman) are an inseparable pair, but that wasn't always the case. From the moment these two mismatched monsters met, they couldn ...