Seann William Scott is an American actor, comedian and producer. His most recognized roles are Steve Stifler in the American Pie film series and Doug Glatt in both Goon and Goon: Last of the Enforcers. source
The strangest thing about the low quality of Internet argument is that effective argument isn't really so difficult. Sure, not everyone can be Clarence Darrow, but anyone who wants to be at least competent at argument can do it.