She is based on the Splatoon character Callie, and requires the Callie Amiibo figure to be obtained in-game. Cece is a peppy, female squirrel added to Animal Crossing during a crossover event with the game Splatoon.
Many aren't currently available in Animal Crossing: New Horizons either, which can be disappointing for fans who enjoyed them in past titles.
Of all the villagers available in the Animal Crossing series, only a small number are crossover-related. For many fans, crossovers offer a chance to see favorite characters from other games reimagined as Animal Crossing villagers. Whether done in a special event like the Super Mario anniversary crossover, or as a set of special Amiibo cards like the Sanrio crossover, each of these collaborations gives fans a new way to appreciate the Animal Crossing series. Crossover content in Animal Crossing has introduced many fun opportunities for fans.