Japanese organisers formally introduced their doe-eyed 2020 Olympic mascots to the world on July 22, christening them with superhero names that could provide a tongue-twisting challenge to some.Tokyo 2020 Olympics Games mascots Miraitowa (2nd L) and Someity (2nd R) ride on a boat during a parade in front of spectators with karate practitioner Kiyo Shimizu (L) and para athlete Hajimu Ashida ® in Tokyo on July 22, 2018. Japanese organisers formally introduced their doe-eyed 2020 Olympic mascots to the world on July 22, christening them with superhero names that could provide a tongue-twisting challenge to some.