Jenny & Penny Wilson

Jennifer & Penelope are 10-year-old twin sisters and the daughters of Walter and Carol Wilson. They are friends of Katie Schioko. They are the younger twin sisters of Matt Wilson.

History
Jenny & Penny were born as twins to Carol and Walter Wilson and are the younger sisters of Matt Wilson. They first attended Katie's school when they were in kindergarten. They met Katie when they were in fourth grade and became friends with her. They are small for their age though and look like they are 4-years-old, but both of them are 10-years-old.

Jennifer "Jenny" Wilson
Jennifer " Jenny" Wilson is the elder twin daughter of Walter and Carol Wilson and is the younger sister of Matt and the older twin sister of Penny. She is known as the bossiest, but is still very sweet.

Penelope "Penny" Wilson
Penelope "Penny" Wilson is the younger twin daughter of Walter and Carol Wilson and is the younger sister of Matt & Jenny. She is a very sweet and caring girl.

Life At School
Jenny and Penny attended Greenwood Elementary School since they were in kindergarten while their brother was in fifth grade. They are in Mrs. Martin's fourth grade class along with Katie Schioko. Jenny is very friendly with Katie whereas her sister tries her best to act sweet to Katie. Katie accepts them as her friends. They are also friends with Violet Davis and Kelly Parker. During Career Day, Their mother, Carol came in as she is a doctor and their father, Walter also made an appearance as he is a police officer. Katie also met their older brother, Matt who is in high school and is in 9th grade who loves to play with his sisters.

Katie Grows Up: The Story of Seven Teenagers
In the final book, Jenny and Penny are now 19-years-old and have jobs: Jenny is a vet and Penny is a waitress. Jenny marries Fred, her childhood friend and they have two daughters: Lilly [who is the oldest] & Daniella [who is the youngest]. Penny marries her childhood friend as well named Andrew and they have a son and a daughter: Benny [who is the oldest], and Giselle [who is the youngest].