Carlo "D.D." Verni (born 12 April 1961) is an American musician, songwriter, and producer, best known as a founding member, bassist and songwriter of the band Overkill. He and vocalist Bobby "Blitz" Ellsworth are the only two remaining original members throughout the band's history. In addition to his work with Overkill, Verni has recorded four albums with his side project the Bronx Casket Co. He is also the composer of The Bronx Casket Co....A New Musical.