|Full Name||Isabella Garcia-Shapiro|
|Series||Phineas and Ferb|
|Relatives||Vivian Garcia-Shapiro (mother)|
Isabella is happy, fearless, sweet, optimistic, caring, friendly and spirited, eager to help with any of Phineas and Ferb's big ideas. Most of the time it's for patches, or simply because Phineas is her crush, making it usually hard to concentrate around him (for example, daydreaming).
- The Shapiro part of her last name, in Hebrew, is שפירא.
- In the 2nd dimension, Alternate Isabella's crush is Ferb.