Astro Cat
From Tezuka Osamu World:
Aliens have created a tomcat endowed with the seven exceptional faculties similar to Astro Boy's. Supporting his owner, Tsugio, who is a sissy boy, this tomcat named Atomcat runs actively far and wide through the universe. --- This is a fascinating work resulted from Tezuka Osamu's challenging endeavor and daring to remake "Astro Boy."