Clown Core (stylized as ClownC0re) is an American musical duo. It is composed of two anonymous artists who wear clown masks, speculated to be drummer Louis Cole of the indietronica/jazzfunk band Knower and Sam Gendel, a saxophonist and frequent Cole collaborator. Their eponymous album Clown Core was released in 2010. The album Toilet followed eight years later. Their album Van was released in 2020. The EP 1234 released in 2021. Their projects are all self-released.