This category is about Wayside characters who appeared one-time.
“Mrs. Franklin is a one-time character introduced in Wayside School is Falling Down. She was a...Mrs. Franklin
“Fido is Myron's baby brother. Myron once brought him in for pet day, despite the fact that he is...Fido
“Mr. Pepperadder is Miss Mush's assistant. He only appears in Sideways Arithmetic from Wayside...Mr. Pepperadder