He is shy, sweet, and smart like his father, and calm like his mother. He loves playing with his little sister.
He looks like Mikey but with Sophie's hair color. He wears a red shirt with black pants with green shoes.
Janet has been Jeffery's love interest ever since they were 10. They first met in first grade during arts and crafts period. Janet noticed him and grabbed a chair and sat next to him. They both said "hi" to each other and introduced themselves. When it was recess, they both played together on the playground. Although they have a crush on each other, Janet Johnson's dad doesn't want both of them to get together for some reason. They both have their first date in the episode "Love Interest" in the series The Adventures of Amanda Killman
Lizzi is Jeffery's younger sister. They both get along well together, and like to play with each other.
Jeffery has a good relationship with his father. Jeffery sometimes asks Mikey for advice