Biography: Vivi was once an ordinary otter while Lewis was once an ordinary heron from North America until they were captured by the Lab Assistants and were taken to the Cortex Castle and were mutated by Dr. N. Brio *Something that happened during the events of Crash Bandicoot: The Wrath of Cortex*, they was locked up alongside the other good mutants who are against N. Brio.
Later *In a sequel to Crash Bandicoot 2: N-Tranced* , they were two of the many mutants freed by Crash, Coco, Crunch, and Aku Aku, who are looking for the pet cat of Danielle and her little sister Abby named Janie, when they believed she was mutated, but she wasn't around with the mutated animals, so they continue to search for her.
After Uka Uka's defeat where he was once again stranded on the same artic wasteland as Neo Cortex and Janie being freed from Uka Uka and N. Brio's control as Feral J where she was reunited with her owners, both Lewis and Vivi have been living in the wilderness for two years until they met Crash, Coco, Crunch, Aku Aku, Polar, Pura, and Baby T, who built the sanctuary for homeless mutants called the Refuge Village for Mutants where one of the ancient ruins used to be at the Wumpa Islands, they was very grateful for their heroics and their rescue two years ago, so they begin serving Hope Quokka protecting the village while they take in any homeless mutant, even mutants who are troubled, while defending their home from any threat.
Two years later, after Vivi, Lewis, and a few mutants befriended a mutated human shape-shifter girl named Nozomi Akiko, they took her in to the village as she gets introduced to Hope, who, alongside the other mutants accepted her as one of their own and welcomed her to their home.
Someday, Crash, Coco, Crunch, Aku Aku, and their friends will come visit them in their village.
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Vivi is skilled at swimming and has a dagger to use in battle. She is also very polite and caring. She is around the same age as Coco Bandicoot.
Lewis is a very skilled archer and flier. He is also tends to be very serious and a no-nonsense individual and is very loyal to Hope and protects those in need, showing he has a caring side. He is around the same age as the Komodo Brothers.