David Taylor Chastain (born August 31, 1953)[2] is an American heavy metal guitarist and the owner of Leviathan Records and Diginet Music.

Chastain emerged in the mid-1980s along with a wave of other neo-classical guitarists.

He has released about 50 recordings under multiple names, including David T. Chastain, CJSS, Georgia Blues Dawgs, The Cincinnati Improvisational Group, SPIKE, Zanister, Ruud Cooty and Southern Gentlemen (blues-rock); as well as a number of heavy metal releases under the band name Chastain, accompanied by female vocalist Leather Leone.

[3] In more recent years, Chastain has worked as a record producer at his own company, Leviathan Records.

He also runs Diginet Music, a company specializing in rare, unreleased or out-of-print music.