Presley, Fiona, and Sonny

Presley, Fiona, and Sonny are the variants of Chip, Winter, and Cooper.

Behavior
Presley, Fiona, and Sonny are brats. Presley is more of a brat than Chip, Fiona is smarter than Winter, and Sonny is more addicted to his pacifiers than Cooper. Chip has more imagination than Presley. Winter tends to be more girlish than Fiona. Cooper seems to be more active than Sonny.