"Prunella Sees the Light". Wanda Deegan is Rubella and Prunella's mother. She enjoys yoga. Ms. Featherfoffer is a journalist that once babysat for Arthur. She was among the meanest of his babysitters, who told him it was bedtime during the day. Flossie is a hairdresser who owns and runs the Salon de Beauté, where Muffy gets her hair done. She also did Francine's hair in "Francine's Bad Hair Day". Mr. Elkin is a past substitute teacher for Mr. Ratburn's class. He was troublesome because his large antlers would accidentally knock students out of their seats. Mrs. Fink is one of the third-grade teachers at Lakewood Elementary School. She and Miss Sweetwater do fun things with their classes, in contrast to Mr. Ratburn, whose class is hard work. Nurse Flynn works at Lakewood Elementary. Oliver Frensky (voiced by Mark Camacho) is Catherine and Francine's dad, who works as a sanitation engineer for the local city dump. He states he was formerly a volunteer firefighter. He coaches the Lakewood baseball team. He is good-humored and sometimes childlike. Laverne Frensky (voiced by Jane Woods) is Catherine and Francine's mother. Grandpa Frensky is Oliver Frensky's father and Catherine and Francine's grandfather who owns an unnamed "hamburger castle" (a paraody of White Castle) with unique hamburgers that is still open in the episode "Background Blues". He also mentions Vingo Frensky, a barber for Abraham Lincoln in the show. Dr. Frederique Fugue is Arthur's current piano teacher, after Mrs. Cardigan retired. He later filled in for Ms. Krasny to take Mr. Ratburn's class on a choir field trip to Crown City (the show's version of New York City). He was a chorister as a child and later sung with the Whiffenpoofs, implying he attended Yale University. He is an extremely strict teacher and "fires" many of his students. However, he shows a softer side during the Crown City trip, openly encouraging his students to have fun with their singing. He has a pet cat named Für Elise. Ted Glass is the Lakewood Elementary Crossing Guard. In his first appearance in "Arthur vs. the Very Mean Crossing Guard" he tried to fool Arthur and Brain into thinking there was a new $10 fee to cross the street and they believe him, becoming scared after he threatens to send goons to collect the money after they wait too long to pay up. After being told off by Grandma