I CAN'T BELEIVE YOU DON'T KNOW PHINEAS & FERB'S PET'S NAME!!!!!!!!!!!!!!!!!!!!
Answer: Perry (Agent P in secret agent form)
Because they are step-brothers they have different grandmothers. Phineas' is named Betty-Joe Flynn his grandpa is Clyde Flynn. Ferbs' is Winifred Flecter and his grandpa is Reginald Flecter.
Flynn
Richard O'Brien plays Lawrence Fletcher (Flynn) on "Phineas & Ferb"
Ferb is Phineas's stepbrother. Phineas's mom married Ferbs dad.
Ferb is the stepbrother of candace.Phineas and candace are real siblings.
Because they are step-brothers they have different grandmothers. Phineas' is named Betty-Joe Flynn his grandpa is Clyde Flynn. Ferbs' is Winifred Flecter and his grandpa is Reginald Flecter.
Flynn
Caroline Rhea is the actress that does the voice of Phineas and Ferb's Mother.
Perry the platypus
dave moon
No it is actually their inventions
The mother of Phineas and Ferb, named Linda Flynn, is voiced by Caroline Rhea, also known for her role as Hilda Spellman on Sabrina, the Teenage Witch.
Richard O'Brien plays Lawrence Fletcher (Flynn) on "Phineas & Ferb"
Ferb is Phineas's stepbrother. Phineas's mom married Ferbs dad.
Phineas is voiced by Vincent Martella. Ferb is voiced by Thomas Sangster.
Disney Get Connected - 2008 Phineas and Ferbs DS 2-1 was released on: USA: 1 February 2009
Lawrence Fletcher is voiced by Richard O'Brien.