WHYNOT Members Profile and Facts

WHYNOT (와이낫), also stylized as WhyNot, is a 7-member South Korean pre-debut  boy group under BlackBear Entertainment. The group consists of Sihoon, Junhyeong, Jeong, Dongyeon, Doa, Tosei, and Rohoon. They officially kicked off pre-debut promotional activities in Japan on July 24, 2026. They released their first pre-debut single album RUSH on July 23, 2026. Their debut date is currently unknown.

Group Name Meaning: WHYNOT refers to a bold question thrown without hesitation whenever they face their limits and the beginning of an unstoppable charge forward. The name reflects their slogan of asking “Why Not?” when others say it is too late or that something cannot be done, and proving them wrong.
Official Greeting: “Who we are? Hello, we are WHYNOT!”
“Who we are? 안녕하세요, 와이낫입니다!”

WHYNOT Official Fandom Name: N/A
Fandom Name Meaning: N/A
WHYNOT Official Color: N/A

WHYNOT Official Logo:

Official SNS:
Instagram: @82whynot_official
X: @82_whynot
TikTok: @82whynot_official
YouTube: @WHYNOT_official-y4
Pocketdols: WHYNOT

WHYNOT Member Profiles:
Sihoon

Stage Name: Sihoon (시훈)
Birth Name: Jo Si Hoon (조시훈)
Position(s): Leader, Rapper, Dancer
Birthday: December 7, 1996
Zodiac Sign: Sagittarius
Chinese Zodiac Sign: Rat
Height: 178 cm (5’10″)
Weight: 61 kg (134 lbs)
Blood Type: A
MBTI Type: N/A
Nationality: Korean
Representative Color: Green
Representative Emoji: 🍀
Instagram: @december_luck7

Sihoon Facts:
– Sihoon was revealed as the third member on July 8, 2026.
– He is a former member of ENPHAZE (2024-2026), F.ABLE (2020-2024).
– His special skills include Taekwondo, creating choreographies, memorization, and flexibility.
– Sihoon is left-handed.
– Another one of Sihoon’s specialties is songwriting. He participated in writing the lyrics for F.ABLE‘s “Run Run Run” and “여행 (Cloud 9)”.
– His hobbies include watching dramas and movies, writing poems, working out, and playing baseball.
– His motto is “Let’s not regret anything.”
– If Sihoon weren’t an idol, he would have wanted to become a police officer.
– He is friends with former VX member LAE.
– Sihoon became fluent in English after learning it from his mother.
– He took part in choreographing F.ABLE‘s “Burn It Up”.
– He was previously under Startree Entertainment (2024-2026) and Haeirum Entertainment (2019-2023).
– His role model is Hoshi from SEVENTEEN.
– He holds a 3rd-degree black belt in Taekwondo.
– His three biggest charming points are his smile, positive mindset, and duality on and off stage.

Junhyeong

Stage Name: Junhyeong (준형)
Birth Name: Lee Jun Hyeong (이준형)
Position(s): Vocalist
Birthday: October 10, 1996
Zodiac Sign: Libra
Chinese Zodiac Sign: Rat
Height: N/A
Weight: N/A
Blood Type: O
MBTI Type: N/A
Nationality: Korean
Representative Color: Purple
Representative Emoji: 🐺
Instagram: @jun_hyoung1010

Junhyeong Facts:
– Junhyeong is from Suwon, Gyeonggi, South Korea.
– Junhyeong was revealed as the fifth member on July 10, 2026.
– He is a former member of ENPHAZE (2024-2026), F.ABLE (2021-2024).
– Junhyeong used to stylize his name as Junhyoung during his time as a member of F.ABLE.
– His role model is Jimin from BTS .
– One of his nicknames is Cherry.
– He holds a 4th-degree black belt in Taekwondo.
– His hobbies are songwriting, watching movies, exercising (especially weightlifting and ball sports), admiring paintings, trying delicious food, and cleaning.
– Junhyeong contributed to writing the lyrics for F.ABLE‘s songs “Run Run Run” and “여행 (Cloud 9)”.
– He was previously under Startree Entertainment (2024-2026) and Haeirum Entertainment (2021-2023).
– He worked as a backup dancer for BTS.
– His special skills include Taekwondo, acrobatics, badminton, table tennis, leg wrestling, and hoop rolling.
– He describes himself as a sweet guy.
– His motto is “The past is meaningless, so always do your best in the present”.
– He has a habit of drinking coffee and warming up before practice.
– His three biggest charming points are his hidden muscles, long eyelashes, and kind personality.

Jeong

Stage Name: Jeong (정)
Birth Name: Choi Jeong (최정)
Position(s): Vocalist
Birthday: January 5, 2000
Zodiac Sign: Capricorn
Chinese Zodiac Sign: Rabbit
Height: 173 cm (5’8″)
Weight: 50 kg (114 lbs)
Blood Type: B
MBTI Type: ISFP
Nationality: Korean
Representative Color: Pink
Representative Emoji: 🐈‍⬛
Instagram: @ep.105_jeong

Jeong Facts:
– Jeong was born in Changwon, Gyeongsangnam-do, South Korea.
– Jeong was revealed as the first member on July 6, 2026.
– He is a former member of ENPHAZE (2024-2026), F.ABLE (2020-2024), and ENERFive (2019-2020), where he promoted under the stage name Yul.
– He was previously under Startree Entertainment (2024-2026) and Haeirum Entertainment (2019-2023).
– Jeong is friends with former VX member LAE.
– His nicknames are Fairy, Fox, and Pretty Boy.
– Some of his favorite K-Pop groups are Golden Child and VERIVERY.
– Jeong’s role models are BTS‘s V and ASTRO‘s Moonbin.
– He has an older brother and two younger brothers.
– He has enjoyed doing makeup since high school.
– His specialties are swimming, Photoshop, music jump rope, and makeup.
– Jeong is left-handed.
– His hobbies include listening to music, bowling, and playing darts.
– His three biggest charming points are his eyes, beauty mark, and slim figure.
– His motto is “Live however you want”.
– He describes himself as someone who is both tough and adorable.

Dongyeon

Stage Name: Dongyeon (동연)
Birth Name: N/A
Position(s): Rapper, Dancer
Birthday: September 30, 2002
Zodiac Sign: Libra
Chinese Zodiac Sign: Horse
Height: N/A
Weight: N/A
Blood Type: N/A
MBTI Type: N/A
Nationality: Korean
Representative Color: Red
Representative Emoji: 🦖

Dongyeon Facts:
– Dongyeon was revealed as the seventh member on July 12, 2026.
– His nickname is Ppodong.
– His three biggest charming points are his playful personality, unexpected charm, and sexiness.
– His specialty is dancing.
– He describes himself as a warm-hearted person.
– His motto is “A gentleman is a lion”.
– His biggest appeal is his positive mindset.
– He stretches while listening to music before practice.
– He thinks he resembles a white dog.
– He has a habit of yawning often.

Doa

Stage Name: Doa (도아)/ Doah
Birth Name: N/A
Position(s): Vocalist
Birthday: January 26, 2004
Zodiac Sign: Aquarius
Chinese Zodiac Sign: Monkey
Height: N/A
Weight: N/A
Blood Type: N/A
MBTI Type: N/A
Nationality: Korean
Representative Color: White
Representative Emoji: 🐻

Doa Facts:
– Doa was revealed as the second member on July 7, 2026.
– He wants to be a singer whose presence brings comfort to others.
– His nickname is Doedoya.
– His three biggest charming points are his calm personality, hard work, and vocal ton
– His specialty is making facial expressions.
– He has a habit of yawning often.
– He describes himself as someone who grows endlessly.
– His motto is “Passion”.
– He has recently been into working out, especially shoulder exercises.
– He thinks he resembles a puppy.
– He considers his singing voice to be his biggest strength.
– According to Tosei, Doah is the member who takes the most photos.

Tosei

Stage Name: Tosei (토세)
Birth Name: Koya Tosei (コヤ トウセイ)
Position(s): Vocalist
Birthday: September 13, 2004
Zodiac Sign: Virgo
Chinese Zodiac Sign: Monkey
Height: N/A
Weight: N/A
Blood Type: N/A
MBTI Type: N/A
Nationality: Japanese
Representative Color: Yellow
Representative Emoji: 🦊

Tosei Facts:
– Tosei was revealed as the sixth member on July 11, 2026.
– His motto is “Art Knows No Bounds”.
– He wants to become an artist who shares dreams and hope.
– Tosei can speak Korean and Japanese.
– He has a habit of listening to his favorite songs before practice.
– His nickname is Kim Tosei.
– His three biggest charming points are his dance, bright eyes, and pretty nose.
– He thinks he resembles a fox.
– His hobbies are going for walks and watching dramas and movies.
– Performing on a big stage is one of his dreams.
– He enjoys watching anime and has recently been into Blue Lock.
– He can play the piano.
– His biggest strengths are his dancing, singing, and winks.

Rohoon

Stage Name: Rohoon (로훈)
Birth Name: N/A
Position(s): Vocalist, Maknae
Birthday: August 30, 2006
Zodiac Sign: Virgo
Chinese Zodiac Sign: Dog
Height: N/A
Weight: N/A
Blood Type: N/A
MBTI Type: N/A
Nationality: Korean
Representative Color: Blue
Representative Emoji: 🐰

Rohoon Facts:
– Rohoon was revealed as the fourth member on July 9, 2026.
– His motto is “Let’s always do our best”.
– His three biggest charming points are his cuteness, delicateness, and kindness.
– The members chose him as the cutest member.
– His nickname is Pizza.
– He enjoys keeping things neat and organized.
– He has a habit of stretching before practice.
– His specialty is breathing.
– He thinks he resembles an alpaca or a Brachiosaurus.
– He describes himself as someone who becomes more charming the more you get to know him.

Note 1: Please don’t copy-paste the content of this page to other sites/places on the web. Please do respect the time and effort the author put in compiling this profile. If you need/want to use info from our profile, please kindly put a link to this post. Thanks a lot!  – Kprofiles.com

Note 2: The members’ representative colors and Sihoon’s leader position were confirmed through the group’s YouTube channel (Link). The rest of the positions were confirmed here.

Note 3: The members’ representative emojis were confirmed through the Pocketdols app.

Made by: “felipe grin§”
(Special thanks to: rainhyuks, noa, Jason Max Alvares)

Latest Pre-debut Release:

Who is your WHYNOT bias? Do you know more facts about them? Feel free to comment below.