In an interview with The New York Times, Uwe Boll called this his response to Quentin Tarantino's Inglourious Basterds (2009).
(at around 15 mins) The Elvis Presley vampire the doctor (Clint Howard) is cutting up is wearing a mask from Spirit Halloween. Director Uwe Boll got it for 50% off at an after Halloween sale.
(at around 26 mins) The coin the doctor (Clint Howard) flips was actually a prop from The Dark Knight (2008).