Sophia Winterford is the main protagonist and the love interest of Randy Cunningham appearing in Pinewood Middle School. Voiced by Tara Strong at the age of 13, she has brown hair, green eyes, wears light purple earrings and wears a green long sleeved shirt, pale blue skirt, pink and black pantyhose and black shoes.
- Jill and Thomas Winterford (Parents)
- Wilma and Deuce Winterford (Deceased Grandparents)
- Juliana and Mitchell Winterford (Aunt and Uncle)
- Amelia and Alya Winterford (Sisters)
- Daria Winterford (Cousin)
- Cathy (Pet Cat)
- Randy Cunningham (Love Interest)
- Betty Hawkins (Rival)
- Jacob Howard (Total Crush)
- Zachary Pingrey (Childhood Friend, similar to Jake Long and Riley Daring)
- Mr. Marvin Lintwick (Teacher)
- Principal Jodie Castellaneta (Principal)
- ??? Randy
- ??? Dramatic One
- ??? Ninja's sidekick
- ??? Betty
- ??? Randy ??? Candace
- ??? Principal Jodie Castellaneta
- ??? Randy Cunningham ???
- ??? ninja's sidekick ???
- ??? Prom Queen ???
- ??? Betty Hawkins ???