Robbie McGrath

Robbie McGrath is a main character. His alter ego is Question Mark. He is portrayed by Nathan Stephenson.

Biography
He is the leader of the group; the one with the biggest ideas and the quiet confidence that makes them happen. After he befriended Travis, they decided to start their own radio station.

Eve
She is the texting buddy in Season 1. She is only mentioned in one episode.

Sydney DeLuca
Robbie and Sydney had a flirtation in Bad Boy. After spending days skipping class to work on the video diary, she kissed his cheek. However when he decided to make a third video, their flirtation ended. She was portrayed by Skye Sweetnam.

Kim Carlisle
See Robbie and Kim for more information.

Blaire
Blaire's first appearance In Charms Way as the editor for the Oracle, the school newspaper. Her last appearance was Truth or Conquests. Blaire could be considered Robbie's rebound since she was similar to Kim. She is portrayed by Lauren Collins.

Trivia

 * Nathan Stephenson and Lauren Collins had characters who dated each other in both Radio Free Roscoe and Degrassi.
 * "I'm not mean, I'm right." --is a line Lauren Collins' character said on degrassi as well as radio free roscoe.

Parker
They became friends in Unbreak My Heart as they painted the wall together. She also figured out about him and Kim prior to Ray learning about it.

Trivia

 * In On the Air, he wears glasses.
 * His surname was originally going to be "McLaren".