A few things you may not have known about ‘Grease’ (15 Photos) By: Staff In: Movies Feb 1, 2016 468 Liked! 93 Disliked 0 1 Henry Winkler turned down the role of Danny Zuko. He felt the role was too similar to his iconic character ‘Fonzie’ on ‘Happy Days.’ Like this post? 468 Liked! 0