since Phineas has Isabella, Ferb should have a girlfriend too (and pairing him with Vanessa Doofenshmirtz wouldn't work in the long term since she's about seven years older, and she already has a boyfriend)
photo
phineas
and
ferb
This Phineas and Ferb photo contains
anime, comic book, manga, and cartoon.
Happy Birthday, Phineas! Even though its not your birthday yet! But still Happy Birthday! Remember this is just a PROMO. NOT the episode.
Phineas and Ferb is owned by Dan Povenmire and Jeff "Swampy" Marsh.