RIVERDALE, N.J. — Police say an elf on the sauce is facing drunken driving charges in New Jersey. Riverdale police tell NJ.com (http://bit.ly/1wX1laR ) that 23-year-old Brian Chellis was found passed out in a car early Friday morning wearing an Elf on the Shelf costume. Lt. James Macintosh says the Cedar Grove man was asleep behind the wheel of a van with its engine running, lights on and music blaring.