He thinks she's hot.
Ferb and Vanessa
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.
There is no Sarah on Phineas and Ferb, but he has a mini crush on Vanessa Doofenshmirtz, Dr. Doofenshmirtz's daughter.
no!! ferb have a crush on Vanessa!! not her!!
Yes he does. He married Vanessa but vanessa also have a crush on Johnny her classmate.
vanessa Doofenshmirtz
No, Candace is. Vanessa is Dr. Doofenscmirtz's daughter.
Vanessa Doofenshmirtz on the show Phineas and Ferb is voice acted by Olivia Olson.
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.