Phineas is always thinking up ways to squeeze more fun out of every summer day to stay entertained.

Ferb is the brains behind Phineas' gadgets and contraptions.

Looking simple and innocent is just Perry's way of keeping his cover as he fights against Dr. Doofenshmirtz.

Candace, as their older sister, thinks it's her job to keep Mom up to date on Phineas & Ferb's antics.

Dr. Doofenshmirtz is determined to cause all kinds of mayhem.

Baljeet is Phineas' and Ferb's brilliant friend. He's happy to help the boys make their big ideas a reality!

Buford is the stocky neighborhood Bully with a big attitude, small brain and short attention span.

Isabella gets pulled into all of Phineas and Ferb's adventures.

Jeremy works at Mr. Slushy Burger and is the object of Candace's affection.

Stacy always knows what's hot and what's not. She reminds Candace they have better things to do, than see what the boys are up to.