The Baby-Sitters Club Wiki
The Baby-Sitters Club Wiki

Marilyn Arnold is a a member of the Arnold Family. She and her identical twin sister Carolyn Arnold are the Arnold Twins. She attends Stoneybrook Elementary School. She and Carolyn celebrated their eighth birthday in Mallory and the Trouble with Twins.

Physical Appearance[]

She and her sister would dress alike for a long time. Marilyn has brown hair and would wear a silver ring on her right pinkie finger and a beaded ID bracelet on her left wrist. She has a tiny mole under her right eye. She wears simpler clothes than her sister, and grows her hair out. Her nose is more rounded than Carolyn's.


She has a good ear for songs and practices piano for half an hour each day. She is an excellent player and has been taking lessons since she was four mentioned in Abby's Lucky Thirteen.

She plays piano with Shea Rodowsky in the band the BSC organizes All the Children of the World. They play "If I Were a Rich Man" together along with the rest of the kids in Keep Out, Claudia!.

In Stacey's Ex-Best Friend she had a crush on Nicky Pike. She gave a mushy 3-D Valentine's Day card to him at the Masquerade.

Marilyn likes music and practices Bach's "The Well-Tempered Clavichord" for a piano recital. Her piano teacher is Margaret Cohen. Mr. Bischoff drives her to the lessons. She's been playing since she was four years old.

She played the main pilgrim girl in the play in Claudia and the First Thanksgiving.





Book Appearances[]