Jessi Ruth Klein played in many rolls throughout the years. Lucy, the Daughter of the Devil was aired by the Adult Swim Programming block of what channel?
Jessi Klein:  Klein also provided the voice of Lucy in the animated pilot for Adult Swim's "Lucy, the Daughter of the Devil". Lucy, the Daughter of the Devil: Lucy, the Daughter of the Devil is an American computer-animated television series aired by the Adult Swim programming block of Cartoon Network.
Cartoon Network