Who is penis is at the end of fight club?

Answer 1

It's in the very final minute of the movie. As the buildings are exploding there is a quick snapshot of the penis before going back to the movie. Unless you put the movie on slow or pause constantly you will miss it.

Answer 2

No one will identify whose it is. Rumors that it was Brad Pitt's were unfounded. Edward Norton humorously suggested that it was David Fincher's (the director of the film).

Answer 3

that would be Brad Pitt's penis.