His name is spelled Freddie, and his off stage name is Nathan Kress.
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!
He is very nice. On and off stage. The only time he might be mean is to sam(on icarly) or when he is messing around off stage with his pals
Jerry Trainor
Samantha "Sam" Puckett is sam's character name on icarly but the actresses' name is actually Jennette mcurdy
Guppy's real name is Ethan Munck. His older brother is Noah Munck, who plays Gibby on iCarly:)
Nathan Kress.
Jenette McCurdy
Miranda Cosgrove
Noah Munck.
Fredward Benson
They never say.