Kim Hee-su (김희수; born May 10, 1994), better known by his stage name Colde (콜드), is a South Korean rapper, singer-songwriter, and composer. He is one half of the duo offonoff. He made his solo debut on September 13, 2018 with the EP 'Wave'. Read more on Last.fm. User-contributed text is available under the Creative Commons By-SA License; additional terms may apply.