Group Name
테스타 (TeSTAR)Debut Day
18th July, 202X (202X년 6월 18일)Genre
K-pop, Dance, Hip-HopLeader
류청우 (Ryu Chungwoo)Agency
T1 스타즈 (T1 STARS) → 스타즈 오르빗 (Stars Orbit) ch. 456Official Color
Three-tone shades of skyFandom Name
Loviewer(러뷰어)Official Account
Twitter & Instagram : @T1stars_TeSTARTMI :
#. TeSTAR was named after "Your investment verified. Your idol, your star. TEST + STAR. <TeSTAR>."(검증된 당신의 투자. 당신의 아이돌, 당신의 별. TEST + STAR. <TeSTAR>).#. The cheering slogan is "Oh, TeSTAR, will show you something today!" (아 테스타 오늘 뭔가 보여준다!)#. Korean name is 셤별 (TEST → 시험 → 셤) + (STAR → 별)#. Loviewer stands for LOVE + Reviewer. The word 'Review' was added to the fandom name in connection with the group name, TeSTAR's 'Test'.(LOVE + Reviewer. 그룹명인 테스타의 '시험하다(Test)'와 연결해서 팬덤명에 '검토하다(Review)'라는 단어가 들어갔다.)#. On 15th July, in the year of their debut, fandom name was decided through TeSTAR's first W live broadcast.#. Their contract is 5 years 6 months.#. TeSTAR members and their former agency :
Ryu Chungwoo
Unnamed Agency (former athlete)Bae Sejin
드림K (DreamK)Lee Sejin
해피프렌드 (Happy Friend)Sun Ahyeon
Unnamed AgencyPark Moondae
None (Individual contestant)Cha Eugene
Unnamed Agency (along with Kim Raebin)Kim Raebin
Unnamed Agency (along with Cha Eugene)

Nationality
Korean
Position
Leader, Lead Vocal
Age
23 (First Appear) → 28 (Current)
Birthday
28th October (10월 28일)
Height
185cm
Blood Type
O
Shoe Size
290mm
Nickname
류리다 (Ryu Leader)
Emoticon
Wolf 🐺
Family Relation
Parents, Little Sister, Dog named 깜이 (Kkami)
MBTI
ESFJ
Favorite Food
간장게장 (Marinated Crab)
Hobby
Hiking, Shooting Range

Nationality
Korean
Position
Eldest Hyung, Sub-Vocal
Age
23 (First Appear) → 28 (Current)
Birthday
7th February (2월 7일)
Height
177cm
Blood Type
O
Shoe Size
265mm
Nickname
Byo (뵤), Byo Sejin (뵤세진), Byo Hamster (뵤햄찌), Hard-working Hamster (노력 햄찌)
Emoticon
Hamster🐹
Family Relation
Mother, Father, Dog named 뭉게 (Mungge)
MBTI
ISFP
Favorite Food
Castella
Hobby
Reading Book, Watching Youtube
Debut
10-9살(배우), 23살(아이돌)
10-9yo (Actor), 23yo (Idol)

Nationality
Korean
Position
Main Dancer, Visual
Age
21 (First Appear) → 26 (Current)
Birthday
7th May 200X (5월 7일)
Height
183cm
Blood Type
AB
Shoe Size
275mm
Nickname
Angel (천사), Ahyeon-Ahyeon (아현아현 by Lee Sejin), Deer (밤비), Elk (엘크)
Emoticon
Deer 🦌
Family Relation
Parents, Only Child
MBTI
ISFJ
Favorite Food
Ratatouille
Hobby
Loofah knitting, French embroidery, Making scented candle, Punch Needle

Nationality
Korean
Position
Main Dancer
Age
21 (First Appear) → 26 (Current)
Birthday
1st August 200X (8월 1일)
Height
187cm
Blood Type
O
Shoe Size
285mm
Nickname
큰세진 (Keun/Big Sejin), 하리보 (Gummy Bear Candy : Haribo), 당도최고멜론 (The Sweetest Melon)
Emoticon
Bear 🐻
Family Relation
Parents, Little Sister
MBTI
ENTJ
Favorite Food
갈비찜 (Braised Short Ribs)
Hobby
Pilates, Study English

Nationality
Korean
Position
Main Vocal
Height
177cm
Age
20 (First Appear) → 25 (Current)
Birthday
15th December 200X (12월 15일)
Height
178cm,
Blood Type
A
Shoe Size
265mm
Nickname
문댕댕 (MoonDaengDaeng), 티벳여우 (Tibetan Fox), 아기사과떡촉촉코, AI강아지 (AI Puppy), 문대문대 (Moondae-Moondae by Lee Sejin), 말랑콩떡사과떡 강아지
Emoticon
Puppy 🐶 & Tibettan Fox
Family Relation
Parents (passed away)
MBTI
INTJ
Favorite Food
삼계탕 (Ginseng Chicken Soup)
Hobby
Photography, Cooking
Signature

Nationality
American
Position
Center
Age
19 (First Appear) → 24 (Current)
Birthday
6th March 200X (3월 6일)
Height
182cm
Blood Type
B
Shoe Size
285mm
Nickname
차고영 (Cha The Cat)
Emoticon
Cat 🐱, Self Proclaimed Tiger
Family Relation
Grandmother, Parents, Older Brother, Older Sister, Younger Sister, 5 Large Dog
MBTI
ENTP
Favorite Food
Choco Bar, 닭고기 수프 (Chicken Soup)
Hobby
Football, Baseball, Surfing

Nationality
Korean
Position
Maknae (Youngest), Producer, Main Rapper
Age
19 (First Appear) → 24 (Current)
Birthday
11th November 200X (11월 11일)
Height
180.5cm
Blood Type
A
Shoe Size
270mm
Nickname
김래빗 (Kim Raebit), 효도토끼 (Well-mannered / Filial Piety Rabbit), 중세토끼 (Medieval Rabbit), 김랩 (Kim Raeb)
Emoticon
Rabbit 🐰
Family Relation
Grand parents, Parents, Big Sister
Favorite Food
수정과 (Korean Traditional Cinnamon Punch)
Hobby
Arrangement, Journal Writing

- Former korean archery team.
- Retire due to injury.
- Win Gold Medal at the Olympics event.
- Strong drinker (can drink a lot, up to 6 cans of beer, 5 bottles of soju).
- Often watch baseball.
- Was talented in dancing and singing since he was young.
- He is the only member of TeSTAR who have a driver's license and own car. When TeSTAR goes into vacation, he we'll be the one who's driving.
- Saved the members contact as their names + animal emoticons in is phone. Only Lee Sejin himself saved it as 'Cool little brother Se-jin 😎👍'.
- Wood scent perfume.
- Can split an apple with one hand.
- His favorite TeSTAR song is "Airplane".
- During his break, he cut his hair himself.
- I prefer multi-grain rice over rice.

- Working as an actor since he was nine/ten years old, his schedule was so packed that he only be able to sleep for three hours a day & not be able to go on school trip.
- At the age of 11, he appeared as a shaman in a thriller movie, was watched by 10 million people. He then later started his career as an actor.
- His acting skill is amazing.
- He was abused by his malicious agency and his father.
- Able to shed tears in 15 seconds.
- Have really fair-white skin.
- The animal image in the group is a hamster. At first, he hated it, but he seemed to have fallen in love with it.
- He always sleeps with the hamster body pillow that fans gave him.
- Good at claw machine game.
- Bought a house with his first salary (as an idol).
- Even in the summer he take a shower with hot water.
- Always wear a face band when washing his face.
- Not easily get bitten by mosquito.
- Hate being ignored.
- According to Park Moondae's in chapter 163, he lacks muscle mass.
- In chapter 190, he replied that he had never worked part-time.
- Along with Kim Raebin, he is the second only person in the team who can cook after Park Moondae.

- He studied in France for about two years, majored in ballet, switched to modern dance, which better fit for his body type, before entering a full-fledged college.
- I have a fatal problem of stuttering, due to the trauma of being bullied in school.
- When under pressure, he tend to overdo it himself in a very self-destructive way.
- Often go to trips with his family (harmonious family).
- Like lyrical song (for dance).
- Can't cook, don't let him cook, don't let him go to the kitchen.
- Can play guitar.
- Like flowers.
- Can't eat instant food.
- Have a habit of sending long messages.
- French accent when speaking English.
- Prefer dog over cat.

- Started being trainee since he was 14 years old.
- Smoking briefly in the first year of High School (due to pressure of being pushed out from debut line-up).
- He can schedule the next appointment within 15 minutes of his first meeting.
- Prefer savory snacks over sweet snacks.
- Participate in relays at school athletics competition.
- Run for the student council president (failed to win the election).
- Before Moondae regression, Ajusa STier era, he was rumored to drop out of school.
- Good at swimming.
- Good at whistling.
- Do boxing.
- According to the roommate reassignment content, he is a 'reasonable strategist' type.

Original Park Moondae :
- Tried to commit suicide by poisoning himself with sleeping pills.
- His parents died in a plane crash.
- Dropped out from High School.Ryu Geonwoo in Park Moondae Body :
- Regressed 3 years before his original timeline.
- Not picky about food, good at cooking.
- Difficulty winking in the right eye
- If he drink coffee in the evening, he wont be able to sleep at night.
- Other favorites food : Choco bar, jelly, chicken feet, tuna mayo, strawberry shake, chicken, alcohol (prefer beer over soju), green onion dipping, beef, apple juice.
- Good at photography (taking photos in general).
- Bad at taking selfie.
- Bad at drawing.
- Good at board games.
- He donated his first salary to a child welfare foundation anonymously.
- When recording the demo version of TeSTAR song, he tried to mimic their voice / technique.
- Not aware of it himself, but he actually like cute things.
- Not good at acting.
- Afraid of scary things (ghost, eerie atmosphere, etc).
- Can reach up to three octave (G5).
- The left ring finger size is 17.
- Regressed after the age of 29, but only have memories until he was 29.

- Got casted on the street.
- In his former agency, He and Kim Raebin recorded a debut song, but ended up not debuting.
- In middle school, he was a member of American football player (quarterback).
- Got the most cut in Ajusa.
- Korean-Amerian (California)
- He is talented in creating choreography.
- Don't gain weight easily despite eating a lot.
- Fluent in Spanish.
- Don't really like nerdy things.
- Another favorites food : really
like Korean Pizza, popcorn, macaroon.
- Can blow an instrument with his nose.
- His favorite hair color is said to be red hair.
- His clothes size is 110.
- Don't like accessories, but like sunglasses.

- When he sent text he always use formal language with very long paragraphs until there's [See More].
- Scary face but softie and well-mannered inside.
- A mole on his cheeks, pierced ears.
- From Gangwon-do.
- He's really good at impersonating Ajusa's MC
- Do ranking for each new energy drink.
- Handles all electronic devices well.
- Loved by T1 Stars AR Team.
- Like to use the default KakaoTalk emoticon.
- Like to use very.. sparkling? old gif? the one that old people usually use. See the example in his interview at DMJ Magazine.
- Love his grandmother so much.
- Use banmal (informal language) only with Cha Eugene.