Adam Williams

color        = Teenager Builder Beth Williams (mother) Candace Flynn (stepsister) Winifred Fletcher (grandmother) Clyde Flynn (step-grandfather) Betty Jo Flynn (step-grandmother) Adam the dog (deceased) Phineas Flynn (cousin) Ferb Fletcher (Cousin) Candace Flynn (cousin) Isabella Garcia-Shapiro cousin)> }}
 * name = Adam Williams
 * gender = Male
 * age = 16
 * height = Unknown
 * nationality = American
 * hometown = Danville
 * born = Less than 16 years ago
 * profession = Student (on vacation)
 * band = Phineas and the Ferb-Tones
 * pband = Singer
 * parents = Harold Williams (father)
 * stepparents = Unknown
 * stepsiblings = Phineas Flynn (stepbrother)
 * grandparents = Reginald Fletcher (grandfather)
 * loveinterests = Ashley (deceased
 * pets = Perry the Platypus
 * title1 = Other relatives
 * other1 = Lorraine (great aunt)<br

Adam Williams is the cousin of Phineas Flynn, Ferb Fletcher, Candace Flynn and Isabella Gracia Sharpiro.