Roger "Hot Dog Rog" Christian (July 3, 1934 – July 11, 1991) was a radio personality and lyricist who co-wrote several songs for The Beach Boys, mostly about cars, including "Ballad of Ole' Betsy", "Car Crazy Cutie", "Cherry, Cherry Coupe", "Don’t Worry Baby", "In the Parkin' Lot", "Little Deuce Coupe", "No-Go Showboat", "Shut Down", and "Spirit of America", all with Brian Wilson.
He also co-wrote many songs recorded by Jan and Dean, including "Dead Man's Curve", "The Little Old Lady from Pasadena", "Sidewalk Surfin'", "Drag City", "Honolulu Lulu", "The New Girl In School", "Ride The Wild Surf", and "You Really Know How to Hurt a Guy".
Christian, along with Gary Usher, collaborated on several songs that were either featured in or specifically written for the films Beach Party, Muscle Beach Party, Bikini Beach, Ride the Wild Surf, Beach Blanket Bingo, Ski Party, Beach Ball, and Catalina Caper - including three songs for Dick Dale.