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Phineas and Ferb Fanon
Mandy Williams
Mandy (Thaddeus and Thor)
Gender: Female
Age: About the same age as Candace Flynn
Height: Same as Adam
Nationality: American
Hometown: Danville
Born: July 11th, 1993 (same as Candace)
Professional Information
Profession:
  Student (On Vacation)
Friends and Family
Parents:
Beth Williams (Mother)
Harold Williams (Father)
Siblings:
Thaddeus Williams (Brother)
Thor Williams (Brother)
Adam Williams (Brother)
Grandparents:
Betty Jo Flynn
Clyde Flynn
Arnold Williams (deceased)
Clare Williams (Deceased)
Friends:
Baljeet
Buford
Love interests:
Jenny Brown
Pets:
Adam the dog (deceased)
Other relatives:
Phineas Flynn (step-cousin)
Ferb Fletcher (step-cousin)
Candace Flynn (step-cousin)
Isabella Garcia Shapiro (step-cousin)
Behind the Scenes
First Appearance:
  Phineas and Ferb Episode "Thaddeus and Thor"
Voiced by:
Aliki Theofilopoulos Grafft

Mandy is the older sister of Thaddeus, Thor and Adam Williams. Plus she’s a daughter of Danny and Bridgette Oshinomi.

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