He could marry Isabella, since in Phineas and Ferb's quantim boogaloo the Future Candace doesn't know who Doofenschmirtz is, meaning Ferb doesn't marry Vanessa.
No, Candace is. Vanessa is Dr. Doofenscmirtz's daughter.
vanessa's boyfriend
Olivia Olsen
Yes
Dr. Doofinshmirtz's daughter, Vanessa (continued below) newtest3 Ferb met Vanessa at the blueprints store when Carl the intern was disguised as a woman at the store so Ferb got lost in her eyes (Vanessa's) and he was hooked ! And at the big super mart Ferb saved Vanessa's life
Yes he does. He married Vanessa but vanessa also have a crush on Johnny her classmate.
no!! ferb have a crush on Vanessa!! not her!!
Ferb and Vanessa
vanessa Doofenshmirtz
Vanessa Doofenshmirtz on the show Phineas and Ferb is voice acted by Olivia Olson.
No, Candace is. Vanessa is Dr. Doofenscmirtz's daughter.
Vanessa Doofenshmirtz is the daughter of Heinz and Charlene Doofenshmirtz
vanessa's boyfriend
there maybe a little signs but....... it is possible listen if you think that ferb loves gretchen too no!! gretchen is ugly!! vanessa only!!
Well, Ferb does take a liking to Vanessa, Doofenshmirtz's daughter.
Vanessa is voiced by Olivia Olson.
Olivia Olsen plays Vanessa Doofenshmirts