We've found 2 phrases for straight man (0.131 seconds):

second banana »    A comedian who plays a secondary or supporting role, especially as straight man and traditionally in vaudeville or burlesque theatre.

straight man »    A member of a team of comic performers who plays a supporting role by helping to set up jokes and punch lines through engaging in preparatory dialog with the principal comedian; a foil who plays such a role in theatrical comedy.

BTW, Why won't you become an editor?