Constantine Maroulis is a ham. You saw it every second of airtime he milked on “Idol,” right down to the 20/20 goof when he donned a mustache and ridiculous Italian accent. So no shock ABC has signed him to a sitcom deal. This doesn’t necessarily equate to a sitcome that will air. There’s not even a title or character aside. So we’ll see how things look when pilot season starts in a few months.