Miraitowa is a robot with blue chequered patterns from the official emblem.
Vinicius is a hybrid animal representing all Brazilian mammals
A drop of steel with a camera for an eye.
Beibei, Jingjing, Huanhuan, Yingying, Nini aka The Fuwa were inspired from Koi, giant panda, Olympic Flame, Tibetan antelope, swallow.
Athena and Phevos are one of the few examples of anthropomorphic mascots in the history of the Olympics.
A kookaburra (Olly), a platypus (Syd) and an echidna (Millie) named after the short term for Olympics, Sydney and Millennium.