Một điều quan trọng trong chương trình là các nhân vật thường có một câu/cụm từ thường nói, được sử dụng nhiều, vừa, ít, sau đây là danh sách của những câu thường nói thường dùng nhất của các nhân vật.
Phineas Flynn[]
- "Ferb, I know what we're gonna do today!"
- "Hey, where's Perry?"
- The Best (something) ever
- (After someone says that isn't he young to be doing something...) "Yes, yes I am," and sometimes "No..." and "Well, I don't think so..."
- "He's just a platypus; they don't do much."
- "Oh, there you are, Perry."
- "How serendipitous"
- (Normally after Isabella asks "Whatcha Doin?") "We're building a...", "We're making a...", or "We're..."
- "Well that can't be good."
- "I like to keep moving forward."
- "Seize the day."
- "Let's (something) this baby up"
- "Whatcha Doin?" (sometimes) (7 episodes)
Ferb Fletcher[]
- Actually,...
Candace Flynn[]
- You're so Busted
- You're Goin' Down
- MOM!
- Hey Jeremy....
- Out, Peace
- But, but, but....
- Really?
- He's right behind me, isn't he?
- (crying like "aaaaaa")
- eh-eh-eh-eh
- I can't take it anymore!
Thú mỏ vịt Perry[]
- (âm thanh của tiếng kêu: Grrrr)
Tiến sĩ Doofenshmirtz[]
- Curse You, Perry the Platypus!
- Behold my new evil scheme, the (something)-Inator
- It's Working....
- Oh Perry the Platypus, so (adjective) and by (adjective) I mean COMPLETLY (antonym of adjective)!
- Back in Gimmelshtump.
- You know? /U'know?/ You know.
- Well, Well, Well...
- I think it's best expressed in song form/in a song
- In retrospect...
- (doing a kick line)
Thiếu tá Monogram[]
- Monogram Out!
- Googly-Moogly
- Doofenshmirtz has being seen doing....
- (Good) Morning, Agent P.
- Good luck, Agent P.
- Cheese and Crackers!
- Shut up, Carl!
Carl[]
- Sir
Isabella Garcia-Shapiro[]
- Whatcha Doin'?
- Ok, Girls
- We need (something) patch
Buford Van Stomm[]
- Buford (something)
- Hello, Dinnerbell
Baljeet[]
- Aaah!
- Buddys
Jeremy Johnson[]
- Hey!
- Candace?
- Cool.
Albert[]
- As it should... a be
Stacy[]
- (Someone) write that (someone) has said that (someone)...
- Could you call my mom and tell her that...?
Vanessa Doofenshmirtz[]
- Whatever.
- Busted.
Mẹ[]
- Would you like some snacks (or another food)?
- See what? (or another sarcasm when she finds out that the backyard is normal)
Bob Webber[]
- (Chụp ngón tay) Okay!
Danny[]
- Yeah!
Norm[]
- Hi, I'm Norm /Hi my name is Norm
