Jamie (The Supercat Video Universe)

 The Supercat Video Universe: Volume 1 Jamie portrayed a the main villain character in the "Supercat Video Universe: Volume 1".

After being beaten up by Callum and Harry he stumbled upon a magical stone which gave him magical abilities. He decided to use these powers to attempt to kill Callum and Harry.

He tracked both Callum and Harry down and attempted to kill them but being a rookie, he used the wrong magic spell and ended up splitting Callum into three different people, two of which got teleported away leading Callum, Alex and Harry to go out looking for them.

Jamie fled after realizing his mistakes and he hired Bill to assist him kill the other versions he created.

After the 'Time Reset' Jamie feels guilty about bullying Callum once Callum and Harry return the notepad.

 The Supercat Video Universe: Volume 2 

In the Video Universe Volume 2 he returns and helps Callum fight against Mullac but stands down and lets Callum pursue Mullac after he finds out that Bill has been murdered which he blames himself for.

At the end of Volume 2, Callum returns to find that Jamie has now disappeared when he finds a note that he left alongside his own diary stating it.

The note stated how sorry Jamie was about leaving and how he now had to leave town for a while to take care of things after Bill's death. This left his return to the story uncertain.