Quinn Flanagan is the best friend of Sabrina Cooper.
Quinn is played by Sabrina Carpenter. She is super sweet to everyone. Quinn likes to write poems, and some of them become huge hits for the Browne Boyz.
Quinn moves to New York in mid Season 4, but returns in the episode "I'm Back!"
"But you can call me... The Quinn!"
"Double double cake cake, double double cup cake, double cake, double cup, double double cake cup! No, wait, CUPCAKE."