Gary Friedrich (/ˈfriːdrɪk/; August 21, 1943 – August 29, 2018) was an American comic book writer best known for his Silver Age stories for Marvel Comics' Sgt. Fury and his Howling Commandos and, in the following era, the series The Monster of Frankenstein, as well as for co-creating the supernatural motorcyclist Ghost Rider and the supernatural hero the Son of Satan.