HOHO 呵呵
A girl with two whiskers on her head, she can communicate with LAMHO through the whiskers. Her body is pink on normal days, but turns gray when disheartened. She is sensitive, easily influenced by her surroundings, and though slow in action and progress, she is diligent. She loves to eat, play, and is timid.
頭上有兩條觸鬚的女孩子，可以以觸鬚與藍呵溝通。平日身體是粉紅色，灰心失意時身體會變成灰色。感性，容易被周圍影響，雖然行動和進步緩慢卻十分努力。愛吃，愛玩，膽小怕事。
LAMHO 藍呵
A boy with one whisker on his head, he is HOHO’s best friend. The whisker can be lighted up or sprinkled water, and can also be used to communicate with HOHO. He loves to tease HOHO and also supports her. Modeled after a lightbulb, he illuminates others and is a caregiver and companion, always take care (in Cantonese: light up) the others.
頭上有一條觸鬚的男孩子，是呵呵最好的朋友。觸鬚可以亮燈，也可以灑水，亦可用此與呵呵溝通。愛戲弄呵呵，也會支持呵呵。以燈泡為原型，他會照亮他人，也是個照顧者和同行者，一直「照住（看顧）」他人。