"Windowlicker" is a song by British electronic music artist Richard D. James (Aphex Twin), released as a single in 1999 on Warp Records. The single peaked at #16 on the UK Singles Chart, becoming his highest-charting song. It was later voted, by fans, as Warp Records' most popular song, for its Warp20 compilation.The artwork for the single was created by Chris Cunningham, with additional work by The Designers Republic. Cunningham also directed the song's music video.