premise: Doug Petrie has yet to appear on the web.
hypothesis: Marvel 's Daredevil , or simply Daredevil , is an American web television series created for Netflix by Drew Goddard , based on the Marvel Comics character of the same name . Doug Petrie . He made a cameo on Joss Whedon 's web-based film , Dr. Horrible 's Sing-Along Blog , as `` Professor Normal '' .