Carly has been described as "sassy" in a promo for a fight in i Fight Shelby Marx, and in i Have a Lovesick Teacher, Lauren Ackerman calls her sassy for commenting on her teaching.
She is easily grossed out by vermin, the gross videos Sam likes (except in i Stage an Intervention, when she wanted to see a guy who could pull his lip down over his chin), or even when Spencer says "bowels" (i Take on Dingo).
When Carly was 13 years old, her father was stationed in Europe.
In the Pilot episode of i Carly, she created a web show called i Carly, with her friends Sam and Freddie.
She is portrayed by Miranda Cosgrove and, as an 8-year-old girl, is portrayed by Jadin Gould, in a flashback in the episode "i Don't Want To Fight".
Carly was born on July 24, 1994 and is the daughter of Colonel Steven Shay and Mrs. She She has suffered from many things, as a child, this is revealed in i Wanna Stay With Spencer (including asthma).
As mentioned in i Got a Hot Room, for her 15th birthday she was taken to the zoo.
She also met Freddie, her friend, in the sixth grade, and he has a crush on her and it is very likely that she has a crush on him (from season 5 and shown in i Goodbye).
Though she might be lying, she has a driver's license, as stated in i Toe Fat Cakes.
Once she was 18 years old her dad was stationed in Florence, Italy (i Goodbye).
She is often offended,when people talk about her weight, especially Spencer, (i Go Nuclear, i Halfoween) Carly is a kind, easy-going, innocent, caring, and beautiful person who would do anything for her friends, yet she is sometimes insensitive by accident.
She usually hates getting into trouble and rarely breaks rules. She frequently has to get between her best friends, Sam and Freddie, when the two argue too much.
She began enrolling in Ridgeway High School many years ago, whilist he was about twelve years old.