Lawrences mom
Phineas Flyyn,Ferb Fletcher,Candace Flyyn Easy right?
Phineas is Phineas Flynn and Ferb is Ferb Fletcher.
Ferb is Phineas' step brother because Ferb Fletcher is the real son of Lawrence Fletcher, who is Phineas' step father. Candace Flynn and Phineas Flynn are the real sons of Linda Flynn Fletcher.
Richard O'Brien plays Lawrence Fletcher (Flynn) on "Phineas & Ferb"
Phineas Flynn as Vincent Martella and Ferb Fletcher as Thomas Sangster.
Richard O'Brien plays Lawrence Fletcher in "Phineas and Ferb" http://en.wikipedia.org/wiki/List_of_characters_in_Phineas_and_Ferb#Lawrence_Fletcher
Phineas Flynn-Vincent Martella Ferb Fletcher (step brother)-Thomas Sangster
He is one of the title characters in the cartoon Phineas and Ferb. Also, It's Ferb Fletcher
Ferb Fletcher
Richard O'brien
The dad's name on the TV show Phineas and Ferb is Lawrence Fletcher.
No!!!!! Mrs. Flynn married Mr. Fletcher... and then when the Fletchers moved in,Lawrence Fletcher's son came with him. Ferb is just Phineas and Candace'stepbrother. newtest3 Candace and Phineas belong to Linda Flynn (legally) and ferb belongs to Lawrence Fletcher (legally) Linda and Lawrence got married and ferb came with his dad to live in dannville with Candace, Phineas, and Linda and perry!!!!!