Does Sam Puckett Have a Twin?

Melanie Puckett is the identical twin sister of Sam. She and Sam were born on a city bus. Her only appearance was in iTwins. She was mentioned twice after this episode but never before, due to Sam's dislike towards her.

Does Jennette McCurdy really have a twin?

Jennette McCurdy does not have a twin. Jennette was born in Long Beach, California to a family of four kids. She is the only girl and she has three older brothers named Marcus, Scott, and Dustin.

Who plays Sam Puckett twin?

Melanie also made an appearance in an episode of iCarly. On Sam & Cat, she appeared in #Twinfection. Like Sam, she is portrayed by Jennette McCurdy.