By casting Winkler as Arthur Fonzarelli onHappy Days, Marshall forever changed the actors life.

His role in launching Winklers career and their decades-long friendship madeMarshalls recent deaththat much more painful for Winkler.

First of all its difficult that this massive figure in my life is gone, Winkler tells EW.

Image

Credit: Tibrina Hobson/Getty Images

And that was so emotional, I cant even tell you.

Winkler adds: He was my don, my teacher, he gave me my professional life.

Thanks to their collaboration, The Fonz became a fan favorite during the shows run from 1974 to 1984.

He wrote, Rest in Peace..

Thank you for my professional life.

Thank you for your loyalty, friendship and generosity.

He then later added, Larger than life, funnier than most, wise and the definition of friend.

Marshall died on July 19from complications of pneumonia following a stroke.