Connie's fairly tall and curvy with wavy, light brown hair and blue eyes.
Connie has a similar personality to her younger sister, Bonnie, but is significantly ruder and, in many ways, meaner than Bonnie. Connie and Lonnie don't just act mean, snobby and rude to their sister, but to others as well, like Kim, as shown when Kim tried introducing herself to them. When Bonnie had introduced her sisters to Kim, she said that "they're older, way older" which left both Connie and Lonnie insulted .
While little is actually known about Connie's abilities, aside from her claim of being the smartest of her sisters, it can be assumed that she does have some kind of talent or skill, as mentioned in "Hidden Talent" by Bonnie when she was signing up for the Middleton High talent show. Bonnie said that her sisters had won the talent show four years in a row when they were students at the school, and that she herself didn't intend on being the one to break the 'Rockwaller family tradition'.
- Main article: Mrs. Rockwaller
Nothing is known about Connie's relationship with their mother.
- Main article: Bonnie Rockwaller
Connie, like her sister Lonnie, enjoys teasing Bonnie, the youngest of the three, and like Lonnie looks down on her. According to her, she "got all the brains, Lonnie got all the beauty, and Bonnie got the rest."
- Main article: Lonnie Rockwaller
Connie appears to get along well with Lonnie, who she was seen with in "Bonding". As the two sisters were only seen once in person, it is unknown if they hang out with each other all the time or not.
Bonnie's statement during the talent show that Connie and Lonnie won the talent competition four years in a row when they were in school could be interpreted to show that they're fraternal twins.