(더 컴), the original lineup consisted of vocalist Ha Hyun-woo, guitarist Jeon Kyu-ho, drummer Lee Jung-gil, and bassist Kim Jin-eok.

[2] The band chose the name because they wanted to "show off a never-ending, fire-work like image of the passion of the young and the mirage of life".

[7] The band was selected by the Korea Creative Content Agency (KCCA) to usher in Korean culture into Japan.

[7] Guckkasten won Rookie of the Year and Best Rock Song for "Mirror" at the seventh annual Korean Music Awards in 2010.

[8] In March 2010, Guckkasten performed a "special stage" at Mnet's music chart television program M Countdown with girl group Kara.

[13] Jeong Ho-jae, a writer for News Donga, felt that Guckkasten created "explosive and creative" music.

[13] Their self-titled debut album received critical acclaim[5] and was credited for the development and rapid growth of Korean indie music.

[2] At their 2011 Guckkasten Visual Art Concert, the band employed three-dimensional effects, which displayed different items on the screens behind them for each individual track they performed.