Isabella Veneranda-Patricia Cramp (born December 18, 2004), who originally performed as Isabella Cramp, shifted to Isabella Crovetti-Cramp, and now performs as Isabella Crovetti, is an American actress and voice actress.
After Alvin accidently causes an argument between Dave and Samantha, He must go stop Samantha from leaving but as he does so, he finds out that C.I.A. agent Leo Muchokins is onto them. Also, as he goes around the trip, he finds his long lost father and an older Toby. Dave goes to prison.