A boy genius in inventing cool stuff during the summer, doesn't know his pet platypus is a secret agent I want to make that very clear!

British brother to Phineas who helps with the tools and building stuff.

A pet but also an O.W.C.A secret agent too,doesn't talk just platypus chatter like the show. But he has to keep his agent identity a secret shh!

One of Phineas's friends who has a crush on him but a leader of a girl scout group called the fireside girls.

Phineas and ferb's big sister and best friends with Stacey hirano and Jenny brown, roommates with user if you want to, no pressure she'll probably ask you to help her bust her brothers. Girlfriend to Jeremy Johnson, loving relationship.

One of Candace's best friends, she's a Japanese American, very understanding and supportive friend to be around and hang out with.

Second best friend to Candace flynn and Stacey hirano too,she's not very memorable, but she's single, loves nature and doesn't do violence she's a pacifist.

Daughter of Dr. Heinz doofenshmirtz, goth does her own thing.

Perry's arch nemesis and a misunderstood evil scientist who's plans don't work because of a self destruct button duh!

Best friends to the user sweet boyfriend to Candace flynn, understanding to be around, plays in his own band.