Jack first appeared in Brothers and spoke to[Shawn and Chet. It was the first time that they had spoken in many years.
Soon thereafter, became the roommate of Eric and Shawn.
Warned Shawn to stop drinking and told him the reason his mother left Chet, was because he was an abusive drunk and that alcoholism runs strongly in Chet's side of the family.
Kicked Shawn out at the beginning of Season 6, and began competing for Rachel's affections.
Was kicked out of his apartment in Season 7, and began a frantic search for a place to live with Eric. They eventually got the apartment back.
Graduated from Pennbrook and joined the Peace Corps with Rachel.
Left the Peace Corps, and became a successful though unhappy businessman. Has not heard from Rachel in years. (Girl Meets World)
Reunited with Eric for a business meeting. It was the first time they had spoken in years. (Girl Meets World)
Reunited with Cory and met Riley for the first time (Girl Meets World).
Gave Riley advice on friendship. (Girl Meets World)
Alternate Personalities[]
WWII Jack (No Guts, No Cory)
Christmas Future Jack (A Very Topanga Christmas)
Jack the Jerk (Eric Hollywood)
Amish Jack (No Such Thing As A Sure Thing)
Lala Nelson (What a Drag!)
Wee Hawkin Willie (As Time Goes By)
Future Jack (Seven the Hard Way)
Trivia[]
Jack can speak Chinese.
Is somewhat smart, but for some reason Eric gets the better of him and occasionally he gets involved in Eric's antics.
Formerly known as "Jumbo Jack", until he started working out to bring his body fat count down to 6%.
Jack is a Mac user (Seven the Hard Way).
Jack loves ice skating, which is one of the few things that he and Shawn have in common.
In The Witches of Pennbrook, Jack reveals he's from New York City.
As he hadn't contacted any of his friends in years, Jack was unaware that Cory and Topanga had children, and was blown away when he met their daughter, Riley.
