Gustaf Grefberg (born 1974) is a Swedish musician.
As part of the Amiga scene, he is known under the artist name Lizardking, and much of his production is tracker music. He is or has been a member of the demo groups Alcatraz, The Silents, Razor 1911, The Black Lotus and Triton. He invented a musical style called Doskpop and released various music disks such as "Doskpop The Compilation" or "Memorial Songs 1+2" which feature lots of tracks in this style. He also took part in projects such as Merregnon and the Symphonic Game Music Concert-series in Leipzig, Germany.
Read more about Gustaf Grefberg on Last.fm.