Johnnie Walker, MBE (born Peter Waters Dingley; 30 March 1945) is an English radio disc jockey and broadcaster. He began his career on pirate radio, most notably on Radio Caroline. He joined BBC Radio 1 in 1969. He joined BBC Radio 2 in 1998 and currently presents Sounds of the 70s on Sunday afternoons and The Radio 2 Rock Show on Friday nights.