Ichiro Abaraya (あばら谷 一郎 Abaraya Ichirō) is a minor character who only appeared in "Gravity Paint".

Ichiro lives with his mother & his five other siblings. He is the oldest of them. They are poor as they live in a small house with only one room. His mother's job is making artificial flowers and his father's presence is unknown.

(Source: Doraemon Wiki)