A lumberjack-themed character have his lack of knowledge, before getting himself injured or resembling into the Grinders' disappointment. His action is that he can dig his nose in a few scenes in some episodes. In Gnarly Craft, Jack Knife has a father, but was unseen. He had his own computer, but his father took the computer and tries to repair it. Jack Knife was not very talented by using computer well, which can make him get confused, as he did not know how to use the controls, turning his avatar into a goldfish. He prefers to skate on mini-ramps, very, and bowls. In Grindermania, His musical instrument is the guitar, but Jack Knife plays it wrong as the guitar was sounded like a saxophone.
Fanon Description by Caramelangel714Edit
Jack Knife takes the lead role in Hyper Rush, and Jack Knife's main weapon are the Atomic Laser, a heavy machine gun. In Techno Fantasy, his element is Lightning, and his alter ego is Lightning Tiger. Jack Knife's symbol is a yellow bolt.
- Kurumi Erika