- This article is for the 1979 character who only appeared in one episode. For the frequently appearing background character called Masashi in the 1979 series, see Haruo
Masashi is a boy in Nobita's class who appeared in an episode of the 1979 anime. He looks similar to Haruo, except for his hair. He is best friends with Kurai, but Kurai had become angry with him in the episode, and Nobita used Doraemon's gadget to mend their friendship.
Masashi has black hair with a strand falling on his forehead, and black eyes. He wears a red polo shirt with a yellow stripe, and teal shorts. He is sort of chubby.
- Masashi shared his name with another character in the 1979 series, who is now called Haruo.