|Voiced by||Joshua Tomar|
|First||Leo Goes to School|
Jack made his first original appearance in JACK MATTHEWS - ACTION COP, one of Chris's earlier videos. He appeared again at the end of Leo Goes to School, asking a women if the dead bus driver was her husband.
- It was never officially said that Jack was in Leo & Satan, but fans assumed that it was him as the credits listed his character as "Action Cop".