Isabella

(in this alternate universe), Isabella Garcia Shapiro is a wonderful sweet girl and the leader of the fireside girls. she was trained at Tokyo Japan since her last trip. she returned to Danville she is now the toughest fighter. she may be a tough one on the outside but on the inside she's very cute as one. and she has a secret crush on Phineas. one day Dr doofenshmirtz unleashes the heartless attacking Danville and they capture Phineas and the fireside girls, now it's up to her to rescue them and save the tri-state area with a sword of light she'll use and with the help of Ferb (phineas's awesome step brother) and Perry the platypus AKA agent P and Pinky the Chihuahua AKA agent PC (Isabella's pet chihuahua) she'll know what she's going to do today.