Actors dressed as the characters Doraemon, left, and Nobita. Junko Kimura/Getty Images She played the character until 2005. Noriko Tobe was born in Tokyo on Oct. 2, 1935, according to her agency.

After she stopped voicing the character, Ms. Oyama won Japan’s Broadcasting Woman Award in 2005. Nobuyo Yamashita was born on Oct. 16, 1933, in Tokyo to a multigenerational household.