Carly Shay is the 13 year old teenage main character who is played by Miranda Cosgrove.
She attends Ridgeway High School with Sam and Freddy in which she usually takes the blame for what Sam does.
Carly has her own webshow which she does with her friends, Sam and Freddy
She lives with her older brother, Spencer, in Seattle while her father serves in the Military. She often acts as a mediator between Sam and Freddie during their fights. After school, Carly and Sam listened to talent show auditions for Ms. Briggs, leading her to use "iCarly" to give kids a chance to show off talents that most adults might find disgusting or generally distasteful. She usually stays calm and collected, and rarely will have an extreme reaction to an exciting event.