Isabella

Isabella is Isabelle's sister. She was hired by Tom Nook to act as a replacement for Isabelle.

Backstory
After Isabelle's untimely death, Isabella move to a nice warm beach in California. She had no knowledge of Isabelle's true killer, as Tom Nook had told her that Harriet had murdered her.

A few years later, Isabella was invited to be Tom Nooks new right hand man. She took up the job offer immediately, unknowingly helping nook in his Froot scheme.