Stephen Bruner (born October 19, 1984), better known by his stage name Thundercat, is an American multi-genre bass player, producer and singer from Los Angeles, California. He has released three solo albums, and is most noted for his work with producer Flying Lotus, and crossover thrash band Suicidal Tendencies. Thundercat appeared on Kendrick Lamar's critically acclaimed 2015 album To Pimp a Butterfly.