Charlie Ondras (October 5, 1966 - June 22, 1992) was an American drummer from New York and a founding member of the noise rock band Unsane, formerly Lawn-Chair-Blisters. He also collaborated with Jon Spencer and Cristina Martinez under the name Boss Hog and appeared on the band's first two releases. Ondras died of a heroin overdose while attending the 1992 New Music Seminar in New York.