Alyssa

Alyssa (renamed Sally) is a sanitation worker for the Elwood City Dump, first appearing in "Arthur Cleans Up." She is very informed and knows what is happening all the time at the workplace, especially issues that need to be dealt with. In "Arthur and the Big Riddle", her name is Sally, and she works with the Riddlequest crew at the studio, calling Arthur and Charlotte when it's time to come to the stage.