Yes, Shinchan (full title: Crayon Shin-chan / Kureyon Shin-chan ) is definitively Japanese.
It is a manga and anime series created by , first appearing in a Japanese weekly manga magazine ( Weekly Manga Action ) in 1990. The story follows Shinnosuke Nohara (Shinchan), a mischievous 5-year-old boy living in Kasukabe, Saitama Prefecture, Japan . is shinchan japanese
The anime has been broadcast on TV Asahi since 1992 and remains highly popular in Japan. While it has been dubbed into many languages (including Hindi, Tamil, Spanish, etc.) for international audiences, its characters, setting, cultural references, and original production are all Japanese. Yes, Shinchan (full title: Crayon Shin-chan / Kureyon