Lisa Ratburn

Lisa Ratburn is the wife of Otto Ratburn, the mother of Nigel, Rodentia and Patty Ratburn. The mother-in-law of Patrick Ratburn and the grandmother of Rodentia’s child. She was only seen in Arthur's imagination of Mr. Ratburn as an infant.

Arthur

 * 111a. ""
 * 304a. "Background Blues"
 * 1805b. "Arthur Calls It"