Michael Castaneda, better known by his alias Terminal 11, is an American electronic musician from Tempe, Arizona, USA. His music producing style is generally considered as breakcore.

Castaneda has appeared on numerous underground electronic labels, including Phthalo, Cock Rock Disco, Hymen Records, Ad Noiseam, Digital Vomit Records, Mutant Sniper and others. His music is characterized by frenetic, impossibly fast tempos and a machine-gun fire spattering of unidentifiable samples.