How to unlock Cece, Viché, and Splatoon items in Animal Crossing: New Horizons
via polygon.com
Short excerpt below. Read at the original source.
You can nab Splatoon items and villagers in Animal Crossing: New Horizons as part of the 3.0 update. If you want some sweet squid kid fashions or some unique sea idol villagers, you’ll need to use specific amiibo to bring them in.