Revealing mistake: When Ed falls on his belly and dies of a heart-attack at the end of the film, if you look closely, you can see the actor is still breathing a few times. He's trying to hold his breath, but every so often, you can see his back subtly raise and lower as he slowly takes a breath in and out.
Vulgar (2000)
1 revealing mistake - chronological order
Directed by: Bryan Johnson
Starring: Ethan Suplee, Brian O'Halloran, Bryan Johnson, Jerry Lewkowitz
Other mistake: When Gino gets shot and killed, the gun that shoots him isn't being held at quite the right angle... the way it's aimed, the bullet should have gone to the right of him, but instead he reacts as though he's been hit in the head. (Given it's a super low budget movie, they probably just didn't have enough time or money for a second take).
Martan Ingram: First of all, it's not a "what", it's a WHO. And he is making a big splash, orca-style.
Trivia: The movie is inspired by "Vulgar the Clown," the original mascot for Kevin Smith's production company View Askew. The mascot was created for Smith's breakout hit "Clerks." Smith, director Bryan Johnson and their friend Walt Flannagan (who designed the clown) had fun one boring night by making up a dark backstory for the character. Johnson fell in love with the story and asked Smith if he could write and direct a film about it. Smith happily gave Johnson his blessing.