Philip Seymour Hoffman is a character who has only made two appearances. Once in the "All nighter '09: philip seymour hoffman" where he, Sarah Scheinder, josh ruben, and Samuel Reich are the main character and three times in "Philip Seymour Hoff-Man" where at first he is played by Josh Rubin, Samuel Reich, and Pete Holmes. The real Philip Seymour Hoffman is played by Pete Holmes
Below are the Philip seymour hoffman video's:
http://www.collegehumor.com/video:1910507 http://www.collegehumor.com/video:1918042