Astro boy, also known as "Little King Kong", is the hero in a Japanese cartoon. It is a small robot with great strength and advanced technology. It always wears blue clothes and has a red energy indicator on its chest. Astro boy's mantra "Astro boy, attack" is a slogan issued when preparing for battle or solving difficulties. This sentence not only represents being ready to use skills and strength at any time, but also shows Astro Boy's courage and determination. The image of Astro Boy is deeply loved by audiences all over the world, representing the symbol of courage, wisdom and justice.