Question: What brand mascot that was later used by Eagle Brand was voiced in commercials by an actress who also voiced a character in "Astro Boy"?
Sentence (from "Pluto (Astro Boy)"): He was introduced in "The Greatest Robot in the World" (地上最大のロボット , Chijō Saidai no Robotto ) story arc of the "Astro Boy" manga.
Relevant evidence: No