The android robot "totto," which was modeled on the popular Japanese TV host Tetsuko Kuroyanagi, was unveiled at the 2018 World Robot Summit in Tokyo, Japan on Wednesday. /VCG Photo

The robot was modeled using 3D-scan technology and her voice was synthesized from the audio of Kuroyanagi's 42 years of television work. /VCG Photo

The five-day event starting from Wednesday will showcase robots from around the world with cutting-edged technology as they compete for over 875,000 US dollars in prizes. /VCG Photo  

The World Robot Summit held by the Japanese government aims for a society where human and robots could live together comfortably. /VCG Photo

The Japanese government has greatly promoted robot research and development by holding robot exhibits, demonstrations, as well as lectures by top experts in the field. /VCG Photo