Hi Hi Puffy AmiYumi follows the adventures of two pop stars and best friends: Yumi Yoshimura , a cynical, sarcastic, rough and tough punk rocker; and Ami Onuki , a peppy, optimistic and cute schoolgirl. Both are based off the real Japanese pop duo Puffy AmiYumi, but with different appearances and exaggerated personalities. They travel around the world on their customized tour bus along with their well-intentioned yet greedy manager Kaz Harada. From rocking out at a concert to hanging out in their hometown of Tokyo, the duo take the world by storm with their musical talent, trend-setting style, and humor, dishing out lessons in J-pop justice and establishing the international language of "cool" along the way.
Secondary characters include: Jang-Keng and Tekirai , the duo's pet cats who enjoy tormenting Kaz; Harmony , a six-year-old girl who is the self-proclaimed "Number One Fan" of Puffy AmiYumi and (later) Kaz and constantly stalks them; Eldwin Blair , a sinister land developer who tries to tear down beloved places for his own selfish needs; King Chad , a selfish "bad boy" who is a master of the card game Stu-Pi-Doh! (a parody of Yu-Gi-Oh!); the evil Talent Suckers , a vampire rock trio from Transylvania; and Atchan, a caricature of Vo Atsushi (lead singer of the pop band New Rote'ka) who speaks in third-person and thinks he is a superhero.
