this group is about two kids named "Phineas Flynn" and "Ferb Fletcher" who build inventions everyday in the summer. however, Phineas' older sister named "Candace Flynn" tries to bust her brothers by telling mom so they can be in trouble, but sometimes ends up failing and has a crush on her boyfriend named "Jeremy Johnson". meanwhile Phineas and Ferb's pet platypus named "Perry", also known by his codename "Agent P" has to save the tri-state area from his nemesis named Dr. "Heinz" Doofenshmirtz, an evil scientist who tries to take over the tri-state area with his inators but was foiled. he even relaxes all day with his ex-wife named "Charlene Doofenshmirtz", his brother named "Roger Doofenshmirtz", who is the mayor of Danville, and his daughter named "Vanessa Doofenshmirtz", a goth chick who has a crush on Ferb. back in the backyard, a half-hispanic girl with long black hair named "Isabella Garcia-Shapiro", the daughter of Ms "Garcia" Shapiro, has a romantic crush on Phineas and greets him by saying "What'cha Doin'?" and dislikes when the others say her catchphrase.
two other friends named "Buford Van Stomm", a bully who always bullied a boy genius named "Baljeet Tijander", but apoligizes to him for doing so.