Penance, in comics, may refer to: Robbie Baldwin, a Marvel Comics superhero also known as Speedball, formerly Penance Penance, a body now known as Hollow, in which female members of the St Croix family have been imprisoned and taken on the name Penance: Monet St. Croix, better known as M Nicole and Claudette St. Croix, better known as the M-Twins Hollow, the Penance body has a personality of its own even without a host and operates independently.