Simon Campbell is the son of Lori and Will Rollins who died by Jason Voorhees years ago when he was young. He used to be Yesenia's boyfriend in The Future of Freddy vs Jason until he died by George Wiegert in Freddy vs Jason 2: Freddy's Revenge.
He was born in Springwood, Ohio with his parents: Lori Campbell and Will Rollins in the future until his parents died by Jason Voorhees in Freddy vs. Jason vs. Ash when he was little. So, he live with his grandparents.
What he doesn't know that Freddy was the one who kill Emliy and James tried to save her. He found out when Selena Miller told him and Yesenia that Freddy was the one who kill her mom. They beat him at the end until 5 years later.
As 5 years passed. he moved on and the gang went to Camp Crystal Lake where they used to beat Freddy and Jason in the past. During the battle, Simon somehow died by a mystrey person which it was George Wiegert. He died by getting clawed at in Freddy vs Jason 2: Freddy's Revenge.