The blue character is named Miraitowa and it is the mascot of the Tokyo 2020 Olympics. The name comes from the Japanese words mirai, meaning "future" and towa, meaning "eternity".
The pink character is the mascot for the Tokyo 2020 Paralympics, and it is named Someity, from the cherry blossom variety Somei Yoshino while also echoing the English words "so mighty".
EXIF info:
Nikon Df
Lens: VR 28-300mm F/3.5-5.6G
Focal Length: 60mm
Aperture: F/6.3
Shutter Speed: 1/120s
ISO Sensitivity: ISO 400