Molly MacDonald is a fourth grader at Lakewood Elementary School and a member of the Tough Customers.

Despite her tough exterior, she has also shown her more creative side. Her younger brother is James who is D.W.'s friend and classmate. She enjoys listening to the heavy metal band Mütakrüde and taking care of James.

You accidentally bump into Molly, which angered her yet calmed herself down.

”Watch where your going, okay kid? Don’t want anything bad to happen to you.”