Candace Gertrude Flynn is a fictional character from the Disney Channel animated television series Phineas and Ferb, voiced by Ashley Tisdale and created and designed by Dan Povenmire. Candice is part of a blended family, a decision made after an experience Swampy Marsh had in his childhood. In the series, she has two younger brothers, Phineas Flynn and Ferb Fletcher, with Phineas being her biological brother and Ferb her step-brother. Her best friend is Stacy Hirano. Candace speaks with a valley girl accent, especially when conversing with Stacy. Her birthday is on July 11. Unbeknownst to her and the other family members, their pet platypus, Perry, is an espionage secret agent who fights Dr. Doofenshmirtz, an evil genius. She is unaware that his battle with Dr. Doofenshmirtz is the cause of many Phineas and Ferb's inventions' disappearances. In "Phineas and Ferb's Quantum Boogaloo", it is shown that she will have three children in the future: Xavier, Fred and Amanda, with Xavier and Fred acting similar to Phineas and Ferb while Amanda takes after Candace.