Doraemon is a robot cat from the future. He is my daughter’s favourite cartoon, and he has made it on to postage stamps several times. Here is the 1997 issue from Japan.
Date of Issue: 2nd May 1997
The little yellow robot cat in the second stamp is his sister, Dorami. In Japan, Doraemon is a household name.
Here is the official US Doraemon website.
In 2014 Doraemon starred in a 3D movie, Stand By Me, released in Japan and throughout Asia. I am not sure if it made it to the UK or the US, so here are the trailers in case you missed it: