The term 'Chinese-Year Critter' refers to the twelve animals of the Chinese zodiac, which are the RAT, Ox, Tiger, Rabbit, Dragon, Snake, Horse, Goat, Monkey, Rooster, Dog, and Pig. Each animal is associated with a particular year in the Chinese calendar, and people born in that year are said to have the characteristics of that animal. The RAT is the first animal in the Chinese zodiac and is associated with intelligence, adaptability, and charm.