Grey Griffin is an American voice actress and singer-songwriter. She replaced Russi Taylor as the voice of Martin Prince, Sherri, and Terri in The Simpsons. Griffin has voiced characters in films such as Big Top Scooby-Doo!, LEGO Scooby-Doo! Blowout Beach Bash, Marvel Super Hero Adventures: Frost Fight!, Lego DC Comics: Batman Be-Leaguered with Paul Reubens, and Watchmen Chapter I with Matthew Rhys. She also appeared in the Apple Original Film Luck and the Apple Original series Goldie. Beyond these projects, Griffin has provided voice acting for various animated productions and video games. She has also released the singles Krampus with The Roughhousers, Don't Make Her Christmas Wish Come True with Rosie Flores, and And It's Christmas Time.