Astro Boy was one of the first popular anime titles to reach the US in the 1960s, along with shows like Speed Racer and Gigantor. Anime grew in popularity through the 1970s and 1980s with shows targeting both children and mature audiences. Popular 1990s titles that focused on younger viewers included Dragon Ball Z, Pokémon, and Sailor Moon, helping to bring anime into the mainstream. Modern anime incorporates a wide variety of genres for all ages and remains popular with titles such as Naruto, Shugo Chara, and Fullmetal Alchemist.