Joseph Patrick Cranshaw was an American character actor known for his distinctive look and deadpan humor. He is best known for one of his last roles, that of Joseph "Blue" Pulaski, a fraternity brother, in the 2003 hit comedy Old School. Some sources state that this role gave him "pop-culture status".

Old School is a 2003 American comedy film directed and co-written by Todd Phillips. The film stars Luke Wilson, Vince Vaughn, and Will Ferrell as depressed men in their thirties who seek to relive their college days by starting a fraternity, and the tribulations they encounter in doing so. The film was released on February 21, 2003, received mixed reviews from critics, and grossed $87 million worldwide.