Monsta X’s Ki-hyun: Full Profile, Diet Tips, and Much More!

Monsta X's Kihyun

Get to Know MONSTA X’s Vocal Kihyun

That guy with the cute face, Yoo Ki-hyun, also known as Kihyun, is the main vocal of the famous k-pop idol group Monsta X. With his cute face, people may not have expected that he is a main vocal in the group, but Kihyun has a high-note vocal, a clear voice, and a unique vocal tone. Not only does he have a good voice, he ahs a great personality, too.

Monbebe – Monsta X’s fandom- have given him various nicknames, like Hamster, Mother of Monsta X, and Chef Kihyun, because his cute face, because he’s the member who does most nagging, like a mother, and because of his excellent cooking.

Do you want to know more about Monsta X’s Kihyun? Let’s meet him!

Full Profile and Facts

Monsta X's Kihyun

Stage Name: Kihyun

Real Name: Yoo Ki-hyun

Date of Birth: South Korea, November 22, 1993

Age: 26

Zodiac Sign: Sagittarius

Hometown: Goyang, South Korea

Position: Main Vocalist

Height: 174 cm

Weight: 56 kg

Blood Type: B

Education: DIMA, Dong Ah Institute of Media and Arts

Family: Parents, Older Brother

Occupation: Singer

Specialty: Piano and Guitar

Hobbies: Cooking, Photography

Ideal Type: A girl who looks like a baby and has a lot of aegyo

Monsta X's Kihyun

Interesting Facts about Kihyun:

  • Kihyun was the 3rd trainee who was confirmed as a member of Monsta X (Starship Entertainment survival TV show ‘No Mercy’).
  • Kihyun released single with the title Pillow, in collaboration with his agency seniors, Soyou and Giri Boy, before making his debut with Monsta X.
  • He’s close friends with Soyou because she takes good care of her dongsaeng.
  • Of his groupmates, Kihyun is closest to Minhyuk, because they’re same age.
  • He’s also close friends with BTS’s Suga.
  • He sings for a lot of OSTs, such us One More Step (She was Pretty), I’ve Got A Feeling (Suspicious Partner), Attractive Women (Orange Marmalade) with Monsta X’s Jooheon, Can’t Breathe (Partner for Justice) with Monsta X’s Jooheon, and Love Virus (What’s Wrong with Secretary Kim) with WJSN’s Seol A.
  • Kihyun has a sensitive personality (Weekly Idol).
  • He likes chicken a lot.
  • He can’t eat fish because it has a strong smell.
  • He’s the group member who does the most cleaning, because he likes it.
  • He does the cooking in the group, because the other members are all terrible cooks.
  • He doesn’t like cranberries.
  • His favorite color is blue.
  • He likes the Korean singer Kim Gun-mo.
  • He respects Michel Jackson a lot.
  • Kihyun takes good care of his skin.
  • He likes to blend perfumes.
  • Kihyun and his group mate, Jooheon, make a team called 2chain.
  • He said that he wants to do a duet with his fellow member, Hyungwon.
  • He shared that Wonho knows him really well, because they spend a lot of time together in the dorm (Amigo TV Season 4).
  • He wants to be a singer because his brother dreamed about it first, and Kihyun thought his brother looked cool when he was singing (Monsta X fan meeting).
  • He has short-tongue. That’s why his S’s don’t sound very clear, and it makes his voice sound cute when he’s talking or singing.
  • Kihyun is very good at taking photos.
  • He’s done his own Photo Exhibit (Monsta X V Live).


Year Song Title Album
2018 “Love Virus” with WJSN’s Seol A TvN What’s Wrong With Secretary Kim OST part 1
2018 “Can’t Breathe” with Monsta X’s Jooheon MBC Partner for Justice OST part 1
2017 “I’ve Got A Feeling” SBS Suspicious Partner OST part 7
2016 “The Tiger Moth” MBC Shopping King Louie OST part 7
2015 “One More Step” MBC She Was Pretty OST part 3
2015 “Attractive Women” with Monsta X’s Jooheon MBC Orange Marmalade OST part 2




Year TV Channel Series Role
2017 KBS2 Hit the Top Cameo
2016 iQiyi Good Evening, Teacher Cameo
2015 Naver TV Cast High-End Crush Cameo
2015 KBS2 The Producer Cameo




The group, Monsta X, who debuted under Starship Entertainment, started to be recognized by many people after they released their first full album, “Beautiful”, early in 2017. After that, in June 2017, Monsta X held their first world tour, “The First World Tour- Monsta X Beautiful.” Successful with their first world tour, Monsta X began getting more and more well-known, with many people listening to their music. The group accepted their first award in November, 2017, for the song “Dramarama.”

Monsta X World Tour The Connect

Monsta X held their second world tour, “The World Tour-Monsta X The Connect Tour”, which  started off in Seoul on May 26-27, 2018. They were concerts around Asia, America, and even in Europe, that were attended by thousands of fans all over the world.

Singing Compilation

Monsta X Kihyun

Kihyun’s vocal has been avowed by many people as one of the best vocals from an idol group. Because of his excellent voice, Kihyun appearance on many tv shows, even during his debut era. He appeared on MBC’s music show, “King of Mask Singer”, on the January 3 episode, and sang Kim Gun-mo’s song “Seoul Moon” with his clear and high-note vocal. The judges were shocked when he revealed his identity, because he was just part of a rookie idol group back then, if one with a powerful voice.

Kihyun also made an appearance on KBS2’s “Singing Battle”, on the April 7 episode, 2017. He appeared as a ‘hidden card’ singer for Park Kyung-lim’s team, and faced off against comedian Kim Hak-do from Lee Sang-min’s team, coming out the winner.

Diet and Weight Loss


Yoo Ki-hyun was born with a chubby face. His height and weight make him cuter, when look at him. Kihyun was still a little chubby during his debut era, on  “Trespass” and “Stuck”, but suddenly his weight loss became dramatic when Monsta X did a comeback with “Hero”, and by then he had some serious abs. Fans were worried about his diet, because he was so much lighter. He admitted that he just ate half of an apple as his food while making the “Beautiful” music video. The results from his diet showed in how thin he was.

Monsta X Kihyun


monsta x kihyun
monsta x kihyun
monsta x kihyun
monsta x kihyun
monsta x kihyun



Monsta X is famous for their visual kings, because all seven of the members are really handsome. For that reason, it’s no surprise that the Korean Beauty Brand Tonymoly had a collaboration their product with Monsta X. Tonymoly launched their new liptone product using Monsta X as their models. Shownu, Wonho, Minhyuk, Kihyun, Hyungwon, Jooheon, and I.M were swiping on the Liptone Get It Tint S, and the Tonymoly campaign marked Monsta X’s first-ever beauty endorsement deal.


Relationship with BTS’ Suga

kihyun x suga

The bromance between Monsta X’s Kihyun and BTS’s Suga is quite well-known among their fans. These two handsome boys interactions make their fans want to capture every moment between them. Kihyun acknowledges that, himself. He talked about his friendship with BTS’s Suga in the KBS Cool FM radio show “Kiss the Radio”, when he and his group-mate, Jooheon, were on duty as DJs.

Kihyun shared that Suga sent him standing flower wreath for their show-con. He said, “It came under his group and company’s name”, as he thanked Suga.

The fans also asked him, personally, at a fan-meeting, and he admitted that he was close with BTS’s Suga, even before his debut.

Latest News

Monsta X

On January 27, Kihyun and his fellow members Minhyuk and Hyungwon made an appearance on Vlive’s “Kihyun Cooking”, wearing jacket and beanie hats that covered their heads and hid their hair. That’s a big hint that Monsta X will comeback early this year. Monsta X confirmed that they will comeback in February of this year, with their second full-length album, “We Are Here”.