awesome group, always loved dem.
heres an article about them.

There are few singers in Korea whose voice can identify a whole genre of music. There is the rock voice of Kim Kyung Ho, the trot voice of Joo Yun Me and also the dance voice of Turbo. Ever since their debut Turbo has stood out of the crowded dance scene not only for its fast beats but also for the trademark vocals of lead singer Kim Jong Gook. Kim Jong Gook's high voice has been described as both strong yet soothing and lively yet sorrowful. Focusing their music for all ages and genders, Turbo's energetic and easy to sing songs have hit home in a society where karaoke is king. Over the years Turbo's level of popularity has been sought by many singers, but rivaled by few.
Turbo was formed in October of 1994 set to rival the then king of dance, Duex, for the crown. Leader and former DJ Kim Jung Nam was responsible for the rap and choreography while Kim Jong Gook, former vocalist for a high school band, took care of the vocals. This combo proved to be well matched, as Turbo's name soon became synonymous with dance.
They launched their first album in August of 1995, titled "280 km/h speed". Living up to their group name and album title, Turbo took the dance world by storm debuting with the song "nah uh reul juhk kkeum". With the breakup of Deux just one month after Turbo's debut, Turbo was on track to become the next king of dance. Following up with songs "kum en go yang ei" and "sun taek", Turbo was labeled as "dance music's scary kids" for rising in popularity so fast.
Just a year after their debut, Turbo returned with their second album, "New Sensation". Reaffirming their popularity, the album sold 800,000 copies within the first two months and their title track "Twist King" swept all the charts. After "Twist King" Turbo performed "Love Is.." and "uh neu jjae je bah". By the end of their second album promotion, Turbo was firmly entrenched as a premier dance group.
This status was short lived however, as Turbo broke up just months later. Citing problems with their management, Turbo went into seclusion. Their hiding was so effective that police were brought in to investigate their whereabouts. Eventually, due to public demand for Turbo's return, half of Turbo returned. Kim Jung Nam, unable to reconcile his differences with the management left the group. He later joined the 5 member group SNAP in 1999. This left Kim Jong Gook looking for a new partner.
That partner was found in California resident Mikey. Immigrating to America at the age of 6, he had his dreams set on becoming a singer ever since watching videos of Seo Taiji and Boys. In May of 1997, with the goal of becoming a singer, Mikey returned to Korea alone. Just two months later he auditioned for Turbo among 3500 other hopefuls. Mikey shined both in his rapping skills and also his ability to speak English, gaining him the spot.
Resurrected with the addition of Mikey, Turbo returned to the gayo world October of 1997 with their aptly titled 3rd album "Born Again". Performing "hwi sang", "geum gwi dwen jang nan" and "goodbye yesterday", they took back the dance music title. During this time, Turbo was offered to sing a duet with American singer and movie star Will Smith. Smith, who had just launched his second single "Just the two of us" (Bill Withers song) said he wanted to make an Asia version of the song. After reviewing singers from Asia he picked Turbo for their music abilities and unique style. Also of interest, singer Choi Chang Min served as a back dancer for Turbo from 97-98 before launching his own solo career.
Unfortunately while preparing for their 4th album Kim Jong Gook injured his hip, hampering their album release. Eventually released October of 1998, entitled "Perfect Love" Turbo ventured into different types of music, including Latin, techno, r&b, hip hop and ballad. Turbo's title track "ea in ei saeng kyush uh yo" was described as a fresh and comical change for Turbo. Following up with a more traditional Turbo style song "X", Turbo showed they were still going strong, getting voted as one of the best artists of 98.
But once again Turbo faced breakup. Turbo was invited to participate in the Asia Superconcert (12/30/98) to represent Korea with names like HOT, SES, Finkl, Clon and Sechskies. This concert featured singers from all over Asia including Japan, Hong Kong, Malaysia and Taiwan and was broadcast live to Korea, China and Japan. Due to arguments with management before the concert, Kim Jong Gook protested his role in the concert by not performing his section of the concert and leaving without bowing. This rude behavior was heavily criticized by many who watched the live KBS 1TV broadcast, including top politicians. Due to this incident Kim Jong Gook and Turbo were banned from appearing on tv.
With the ban reluctantly lifted October of 1999, Turbo returned in full force just 4 months later with their 5th album "Email my heart". Wanting to raise their level of music, Turbo requested the help of Korea's top musicians and composers including Yoon Il Sang, Yoo Jung Yun, Joo Young Hoon, and Ahn Jung Hoon. Labeled "Cyber Lover", Turbo's title track was not only an exciting song but provided an entertaining look at today’s Internet based society. Also to celebrate the millennium Turbo included a special ticket in 2000 of their albums, with the winners guaranteed a copy of Turbo's new albums henceforth.
Not only was their 5th album a success, the music video for their follow up song "Tonight" garnered much popularity and was regarded as one of the years best music videos. Starring talent Kim Min and Turbo's own Kim Jong Gook, the video was directed by Kim Sae Hoon who also did the acclaimed videos "To Heaven" [jo sung mo] and "Youngone" [sky]. Set in LA's Harlem, Tonight dramatizes gang violence in typical Korean style. But this dramatization was deemed too violent for tv and Turbo was forced to take it off the air. Having their video banned was nothing new, since their title video, "Cyber Lover" was also banned for inappropriate chat dialog within the video.
Although their 5th album was a huge success, lead singer Kim Jong Gook took an opportunity to go solo leaving Mikey and many disappointed Turbo fans. Kim Jong Gook was offered a 7 uhk won (more than half million US) contract for 2 albums by I Star media. Mikey, with his visa expiring, also took leave to New York City to study music under Paul Bay. To end their long career, Turbo released one last album titled "History" revisiting all their hit songs from previous albums and including 3 new songs. A music video for "History" was also released, featuring for the first time model and singer Harisu.
But due to clamoring fan interest in continuing Turbo, Mikey took up auditions in the US looking for another member, visiting NYC, LA and San Francisco. Though nothing was made certain, there were many rumors as to the fate of Turbo. Many said Turbo might be formed again as a 3 person group and even that Harisu would duo with Mikey. But none of these rumors have materialized as Turbo's fate is still undetermined.
Amid all the ups and downs Turbo faced in their career and their premature breakup, they have always remained hugely popular. Attributing to this popularity is the fact that every Turbo album has been a million seller. Though many hope for Turbo's return, they are already etched as one of Korea's dance legends.
HISTORY OF TURBOIn August of 1995, a remarkable male duo dance group emerged. Vocalist Kim Jong Kook paired up with rapper Kim Jeong Nam, and the dynamic sound of Turbo was born!
Their first and second albums were huge hits, and Turbo rocketed to the top of Korean pop charts with great success!
After the release of their second album, rapper Kim Jeong Nam left the group to explore his own material, and Turbo gained the much-loved Mikey (also a hip rapper) to replace him. Mikey, who is Korean-American and draws talent from many musical spheres, went through a really tough audition process before being inducted into Turbo as its newest member. Out of 3500 hopefuls, Mikey ranked the best!
Though some fans feared Turbo wouldn't be the same without Kim Jeong Nam, Kim Jong Kook and Mikey showed off all their talent and passion for dance music in their third Turbo album —proving that they were even better than before! The title track off that album, "Born Again" was a top-notch hit!
Turbo's music is characterized by vocalist Kim Jong Kook's high-pitched vocal style (that borders on shouting) and Mikey's Euro-techno style rap.
Turbo's albums sold more than a million copies each time, and their songs are well-loved by everyone because their tunes are fresh, easy-to-follow, and great for clubs. The majority of Turbo tunes are fast-beat dance music and hard-hitting blockbusters, but they're also pretty smooth with ballads and love songs!
Turbo received many musical awards from 1995 to 1998, including the Best Singer of the Year given by Korea's major TV stations ( KBS, MBC, and SBS).
credit: kmon.net, kpopmusic.com, stoo, turbo-mania, junior, asiamusic, naver