Isabella Garcia-Shapiro is a recurring heroine in the Disney television series Phineas and Ferb. A dashing young lady and resident of Danville with a secret crush on Phineas, Isabella usually hangs out with Phineas and Ferb on their latest scheme or invention, usually greeting them with her favourite catchphrase What'cha doooin?. She also appears in the second Disney Heroes vs. Villains War amongst the new heroes who appear in the war.