Who is Little Orphan Annie from In God We Trust, All Others Pay Cash and what is their importance?

The apparent founder of the Little Orphan Annie Secret Circle, Little Orphan Annie appears via her radio show in "The Counterfeit Secret Circle Member Gets the Message, or The Asp Strikes Again." Ralph joins Annie's club only to be felled by Annie's friend, The Asp, another character in her show. Little Orphan Annie lives in Tompkins Corners with her faithful dog, Sandy. She spends most of her time chasing pirates or trapping smugglers.