Lee Hyuk-jae (born April 4, 1986),[1] better known by his stage name Eunhyuk, is a South Korean singer, songwriter, rapper, dancer, and television host.

Through television, Eunhyuk has also been a cast member in popular variety shows such as Star King (2009–11), Let's Go Dream Team 2 (2009–2011) and Strong Heart (2009–2013).

Inspired by the likes of H.O.T's Jang Woo-hyuk, Michael Jackson and singer-dancer Yoo Seung-jun, Eunhyuk trained himself at a young age.

The group consisted of him and his childhood friends Kim Junsu, Hwang Tae Jun, and Choi Min Seok.

[2] The crew's popularity prospered in their hometown; and when SRD appeared in a local newspaper, it was then that Eunhyuk cemented his dream to become a singer/performer.

[8] Through their first official album, Eunhyuk helped produce as a lyricist and wrote the rap lyrics for a majority of Super Junior's songs.

With the exception of four months from March to June 2011, where bandmate Yesung temporarily replaced Eunhyuk, while he was away on promotional activities for Super Junior-M's third EP Perfection.

[12] He became a member on KBS' Dream Team, an athletic competition show and guested on Intimate Note, Fantasy Couple, Miracle and Introduce The Star's Friend.

It was then that Sorry, Sorry became critically and commercially successful hit in Asia; the first occasion in which the group won top honor at all of the local end-of-the-year music awards.

On 26 February 2010, Eunhyuk was diagnosed with H1N1 influenza, but was set to appear as a guest at label mate Girls' Generation's Into the New World encore concert in Seoul, hence had to pull out and was replaced by bandmates Leeteuk and Heechul.

In November, Eunhyuk made his musical theatre debut in Fame, where he played Tyrone Jackson, along with Tiffany of Girls' Generation, Son Ho Young, Lina of The Grace and Kim Jung Mo of TRAX.

[15] It was announced on 30 November 2011 that after five years, he and Leeteuk would leave Super Junior's Kiss the Radio and was replaced by fellow members, Sungmin and Ryeowook on 4 December 2011.

[19] Eunhyuk is MC for MBC every1's Super Junior Foresight, along with fellow members Leeteuk, Kyuhyun, Yesung and Shindong.

[20] As of the 10 April 2012 broadcast, following the change in MCs and the departure of Shindong from Strong Heart, the show was re-vamped with Leeteuk and Eunhyuk billed as two of the 'six-fixed guests'.

[21] In June 2012, Eunhyuk reunited with his Super Junior bandmates for their sixth studio album, Sexy, Free & Single released on 4 July.

[23] The official cover of Zedd's Spectrum was released via SBS Gayo Daejeon held on December 29, 2012, with Eunhyuk featuring.

[24] After returning to Korea, Eunhyuk heavily participated in variety shows, Come to Play (놀러와) and Barefooted Friends.

In August, the project released an official video, choreographed to Yoo Young Jin's song "Mo Jazzy".

[34][35] On April 1, Donghae & Eunhyuk released first Japanese mini-EP called Present, which contained a total of eight songs including the lead title "Saturday Night".

[42] After his discharge from his enlistment, Eunhyuk participated in the songs writing and composing for Super Junior's 8th Album "Play", which was released on the group's 12th anniversary.

On May 22, 2020, Super Junior held their press conference for their web reality show on V Live with Leeteuk as the main host.

[44]" He is the current host of popular variety show, Weekly Idol, alongside Hwang Kwanghee, since April 2020.

[45] On July 14, 2023, it was announced that Eunhyuk, with his fellow band members Donghae and Kyuhyun, had decided not to renew their contracts with SM, but will continue group activity with Super Junior.