Roberta Quimby: Beezus' and Ramonas', baby sister, who is born at the end of Ramona Forever.
====The Kemps====
Howie Kemp: Ramona's friend next door who loves building things. He becomes Ramona's cousin in Ramona Forever when his Uncle Hobart gets married to her Aunt Beatrice.
Willa Jean Kemp: Howie's bratty little sister, who is frequently thrust on Ramona. People say that she is very like Ramona when she was little; however, Willa Jean does not seem to possess Ramona's imagination.
Mrs. Kemp: Howie's mother.
Mr. Kemp: Howie's father.
Grandma Kemp: Howie's grandmother, who lives in the same house and watches after Ramona, Howie, and Willa Jean after school.
Uncle Hobart Kemp: Howie's uncle who marries Ramona's aunt, Beatrice. He is Mr. Kemp's younger brother. He makes his only appearance in Ramona Forever.
====The Hugginses====
Henry Huggins: Beezus' friend. The Ramona series of books are a spin-off of the Henry Huggins series.
Mr. Huggins: Henry's father.
Mrs. Huggins: Henry's mother.
Ribsy: Henry's dog.
====The Kidds====
Daisy Kidd: Ramona's first friend in fourth grade Called 'Fence-face' by her brother because of the braces on her teeth.
Jeremy Kidd: Daisy's big brother. Daisy calls him 'Germy.' Ramona once called him Prince. Beezus has a little crush on him inRamona's World and he returns it.
====Klickitat Street====
The McCarthys.
Mrs. Swink: Elderly lady who wears pants suits and calls Ramona "Juanita".
The Grumbies: Who hates Ribsy, Henry's dog, because he likes to chase their cat.
Mrs. Pitt: One of Ramona's neighbor's who lives in front of the bus stop, who doesn't like kids who throw trash in her yard.
====Glennwood School====
Danny "Yard Ape": A boy who always annoys with Ramona, whom she secretly likes.
Susan Kushner: Ramona's rival. Ramona is always tempted to pull at her blond curly hair.
Davy: A timid skinny boy whom Ramona chases around the playground each day in kindergarten.
