If you are referring to Dubu (also known as Red Ice), he is the artist of the popular Korean webtoon "The Gamer." Dubu's real name is Sung Sang-Young, and he is known for his unique art style and his contribution to the creation of "The Gamer" along with the author, Sung San-Young. "The Gamer" is a webtoon that follows the story of a high school student who gains a supernatural ability that makes his life like a role-playing game. Dubu's work in this webtoon has gained a significant following and has been appreciated for bringing the story to life with engaging illustrations. If "DUBU" refers to a different author or context, please provide more details for a more accurate description.