They never say.
Jenette McCurdy
The Carly in "icarly" is the name of the main character. She is played by Miranda Cosgrove.
Jennette Mccurdy plays Sam on iCarly. And her name on icarly is Sam Pucket!
Jerry Trainor
Samantha "Sam" Puckett is sam's character name on icarly but the actresses' name is actually Jennette mcurdy
His name is spelled Freddie, and his off stage name is Nathan Kress.
Guppy's real name is Ethan Munck. His older brother is Noah Munck, who plays Gibby on iCarly:)
Nathan Kress.
Miranda Cosgrove
Fredward Benson
Noah Munck.
Beck