Melanie Puckett

Melanie Puckett is the identical twin sister of Sam Puckett she and Sam were born on a city bus her first appearance was on the iCarly episode iTwins and her second appearance was on the Sam & Cat episode #Twinfection she was mentioned couple of time after her first appearance but never before due to Sam's dislike towards her.

Personality
Melanie's personality is the complete opposite of Sam she gets straight A's follows all the rules and goes to a fancy boarding school on a scholarship which means she is often out of town but comes to Seattle to visit her family much to Sam's distress she is also girly and more of a sweet classy girl of the two since Melanie is the opposite of Sam Sam admits that Melanie makes her sick.

History
On iTwins Freddie believes that Sam is just trying to prank him when Melanie comes to visit he wanted to prove that he wasn't gullible after being tricked by Carly, Kayla and Sam that it was school Day at school.