Kevin Walker, known professionally as Geordie Walker, was an English rock musician, songwriter and producer. He was best known as the guitarist of post-punk band Killing Joke. He joined the band in March 1979; his first recording was released in December of that year. Their debut eponymous studio album came out in October 1980. Walker recorded 15 studio albums with Killing Joke and also took part in various side-projects. His unorthodox style of electric guitar playing was widely acclaimed.