The Nintendo Splatoon: Callie Squid Sister Amiibo is a collectible figurine featuring the character Callie from the popular video game series Splatoon. Released in 2015, this Amiibo is designed for use with the Nintendo Switch console. It allows players to unlock in-game features and customize their gameplay experience by bringing the figurine into the virtual world. The product is part of the amiibo product line, offering a fun and interactive way to enhance the gaming experience.