Phineas and Ferb Fanon
This page is for Xavier from ANYBODY'S viewpoint!
If you are looking for a full article from our canon counter part, click here.

Gender: Male
Age: 8
Hometown: Danville
Born: June 2, 2017
Friends and Family
Candace Flynn (mother)
Jeremy Johnson (probable father)
Fred (brother)
Amanda (sister)
Linda Flynn-Fletcher, Lawrence Fletcher,

Possibly Mrs. Johnson and Jack Johnson

Bart Ivanov
Lois Ivanova
Stan Ivanov
Love interests:
Lois Ivanova
Cece Thorne(first one-sided on her side, then he crushes on her, then they begin dating at 15)
Behind the Scenes
First Appearance:
  Canon episode "Phineas and Ferb's Quantum Boogaloo"
Voiced by:
Noah Munck
Ivan Sánchez (Spain)
Ralf Mackenbach (Dutch)

Xavier is Candace's (and possibly Jeremy's) future son who appears in the episode "Phineas and Ferb's Quantum Boogaloo". He appears to act like his uncles, but reversed, as he loves nothing more than to sit by the virtual tree. His catchphrases are "I'm sitting under this digital tree". His brother is Fred. He appears in The Xavier and Fred Show and its movie.


  • Phineas and Ferb's Quantum Boogaloo
  • Holidays of Future Danville Passed
  • Days of Future Danville

Tiberius64/Klingon64's Story Series

Ad Astra 2: Youth and Nostalgia

He appears as a minor character who has no specific lines and few specific actions in the story. He has the last name Johnson since his mother, Candace, has married Jeremy Johnson. By now (2038), he and Fred are both 12 years old like their cousin Chris Flynn.

Phineas and Ferb Ever After

He appears in but a few stories. His voice is sometimes the only thing that's heard.