When Jason mentions he is trying to get back at Wolf, Frank's anger is quickly replaced with eagerness and he reveals to the kids that he was once a struggling rising star who auditioned for one of Wolf's films. He tells Wolf that this whole nightmare can be over only with one simple phone call to Jason's father and he tosses a paper with his dad's number onto Wolf's lap.

Jason helps Wolf make an astounding speech that inspires Duncan to green-lit the movie production. Having heard the confession and disgusted by Wolf's actions for all the trouble of stealing the idea of his movie from a 14-year-old boy, Duncan furiously fires Wolf, sending his career right down the drain. Martin Wolf
Deciding to take action and taking advantage of his parents' trip to the Grand Canyon, Jason decides to confront Wolf.

Jason Shepherd is a 14-year-old compulsive liar.



The next morning, as Wolf heads to the studio to begin shooting, many of his employees cause him to be late through multiple mishaps. After gathering information about Wolf’s cruel and abusive treatment of his employees, Jason and Kaylee begin to sabotage him through various pranks, such as dyeing his skin blue and hair orange, super gluing his headset, sending him to a child's birthday party (the same one Wolf rudely refused to let his elderly stuntman Vince take his granddaughter to), where he is mistaken for the hired clown, and modifying the controls to his car. https://hero.fandom.com/wiki/Jason_Shepherd?oldid=2043830. Paul Giamatti is an American actor who has worked steadily and prominently for over twenty years, and is best known for leading roles in the films American Splendor (2003), Sideways (2004), and Barney's Version (2010) (for which he won a Golden Globe), and supporting roles in the films Cinderella Paul Giamatti is an American actor who has worked steadily and prominently for over twenty years, and is best known for leading roles in the films. However, Wolf is shocked to discover that several of his employees have recorded his confession with cameras from multiple angles, exposing him of his true colors to everyone in the studio (including Jason's parents, who were brought over to the studio by Frank). After being paid to attend a birthday party for a boy named Darren, Wolf is shocked to discover that Darren is the son of the Masher. Instead, Wolf purposefully burns the essay and has Jason and Kaylee thrown out. Angered by this turn of events, Jason and Kaylee plan to inconvenience Wolf until he agrees to fess up.

Later on, Jason and his best friend Kaylee discover Wolf has plagiarized Jason's paper and is now planning it to turn it into a film after seeing a trailer of it.

After a chase across the studio, Wolf catches Jason and retrieves his toy. The Masher's fury intensifies even more and he then slowly drives his truck right toward Wolf's convertible ignoring Wolf's desperate pleas of mercy. Evil-doer

They stayed blue for several months. Wolf mocking Jason after burning his report instead of calling Jason's parents to tell them about the theft. He tries to get out of his creative writing essay by making up a lie but gets caught by his English teacher Phyllis Caldwell, who alerts his parents.

Despite this, the production of Big Fat Liar continues forward, but to a better direction (even Frank becomes the starring actor of the new movie after being rehired by Duncan), proving to be an instant hit in the theaters.


Big Fat Liar is about Jason Shepard (Frankie Muniz), an 8th grader who is highly known by his parents and classmates to be a liar about things.