Jonny Rej started working on toonami in 1998 after working as an editor for CNN. He quit his job at CNN after his friends, and co-creators of Toonami, Sean Akins and Jason DeMarco told him they wanted him for a new project they were working on.
Jonny Rej works on Toonami as an editor, putting together promos, intros, and bumps for Toonami shows, as well as cutting the popular music videos.
In 2008 with the cancellation of Toonami, the Toonami staff integrated into Cartoon Network and Adult Swim, where they still work today. After the 2012 April Fools Joke on Adult Swim, which saw Toonami revived for one night, Toonami was officially brought back, with the Toonami staff working on it for free, in their spare time.