If you mean a caatchphrase that Perry the Platypus in "Phineas and Ferb" utters, it is just a chattering sound. If you mean a phrase where someone includes Perry's name, there are several, including Phineas', "Where's Perry?" and Heinz Doofenschmirtz's "Curse you, Perry the Platypus!!"
Doobie doobie doo dat doobie doobie do dat... AGENT P!
I think its grrr but it's not for defenate
I hate muffins.
No. Remember, this is a cartoon show
By rolling ur tongue .
Gyururururururu
I CAN'T BELEIVE YOU DON'T KNOW PHINEAS & FERB'S PET'S NAME!!!!!!!!!!!!!!!!!!!! Answer: Perry (Agent P in secret agent form)
that
Its not a duck. Its a Platypus and he is called Perry.
Probably on youtube, karaoke or Phineas and ferb.com
"Interview with a platypus."
Perry, perry the platypus, or agent P
Perry the platypus
Perry the Platypus, the pet platypus / secret agent Perry from the Disney show, Phineas and Ferb.
Perry the Platypus brought fame to the Platypus species with the success of Phineas and Ferb.
I CAN'T BELEIVE YOU DON'T KNOW PHINEAS & FERB'S PET'S NAME!!!!!!!!!!!!!!!!!!!! Answer: Perry (Agent P in secret agent form)
that
Its not a duck. Its a Platypus and he is called Perry.
A beloved platypus that is actually an agent that fights Dr. Doofenshmirtz and at the end of the battle, Dr. Doofenshmirtz says curse you Perry the platypus .
No he is Perry The Platypus/Agent P
Perry the Platypus A.K.A Agent P.
Probably on youtube, karaoke or Phineas and ferb.com
"Interview with a platypus."