EION Members Profile and Facts
EION (이온) is a South Korean pre-debut boy group under Wannabe Entertainment, consisting of 3 members: Teo, Sihoon, and Haru. The group was first introduced in September 2025, as 5 members: Heemin, Teo, Sihoon, Haru, and Hwiseong. However, it was revealed on September 22, 2025, that Hwiseong was no longer part of the group. The group began pre-debut Japan promotions on October 30, 2025, as 4 members. On December 19, 2025, Heemin also left the group. The group is set to make their official debut in April 2026. They are currently holding auditions to select additional members.
Group Name Meaning: N/A
Official Greeting: “2, 3, Pulse on! Hello, we are EION!”
EION Official Fandom Name: N/A
Fandom Name Meaning: N/A
EION Official Color: N/A
EION Official Logo:
Official SNS:
Instagram: @eion.official
EION Member Profiles:
Teo
Stage Name: Teo (태오/ テオ)
Birth Name: Choi Jong Won (최종원)
Position(s): N/A
Birthday: March 21, 2002
Zodiac Sign: Aries
Chinese Zodiac Sign: Horse
Height: 180 cm (5’11”)
Weight: 60 kg (132 lbs)
Blood Type: N/A
MBTI Type: ESTP
Nationality: Korean
Instagram: @from_teo
Teo Facts:
– He’s a former member of HALF&HALF (2024-2025) under the name Wonjun (원준).
– Teo has been dancing since he was 19 years old.
– He’s friends with XONIK member Yeung.
– He played baseball in middle school, and was a big fan of the Japanese baseball player Rōki Sasaki of the Chiba Lotte Marines.
– His role model is Stray Kids.
– His hobby is playing games.
– Teo’s specialty is acting cold.
– He describes himself as mischievous.
– He likes wearing comfortable clothes.
– His lips are his charming point.
– He strives to be the driving force of people’s lives.
– His favorite word is “leaving work” (퇴근하다).
– A song he enjoys listening to is “3RACHA” by Stray Kids.
Sihoon
Stage Name: Sihoon (시훈/ テオ)
Birth Name: Lee Sihoon (이시훈)
Position(s): N/A
Birthday: N/A
Zodiac Sign: N/A
Chinese Zodiac Sign: N/A
Height: N/A
Weight: N/A
Blood Type: N/A
MBTI Type: N/A
Nationality: Korean
Instagram: @shn_sihoon
Sihoon Facts:
N/A
Haru
Stage Name: Haru (하루/ ハル)
Birth Name: N/A
Position(s): N/A
Birthday: N/A
Zodiac Sign: N/A
Chinese Zodiac Sign: N/A
Height: N/A
Weight: N/A
Blood Type: N/A
MBTI Type: N/A
Nationality: N/A
Instagram: @e_haru0
Haru Facts:
– Songs he recommends are “come over” by DEAN and “My Time” by BTS.
Former Members:
Heemin
Stage Name: Heemin (희민/ ヒミン)
Birth Name: Kang Hee Min (강희민)
Position(s): N/A
Birthday: April 12, 2001
Zodiac Sign: Aries
Chinese Zodiac Sign: Snake
Height: 174 cm (5’9″)
Weight: 62 kg (136 lbs)
Blood Type: O
MBTI Type: INTP
Nationality: Korean
Instagram: @heeeemmi
Heemin Facts:
– He was the first member to be revealed.
– He left the group on December 19, 2025, after determining that it was not a healthy environment for him to continue making music.
– Heemin is a former member of We1ne/ W.A.O (2023) and HALF&HALF (2024-2025).
– He was a contestant on PROJECT 7 (2024), where he was eliminated in episode 5.
– He also participated in PEAK TIME (2023) with his former group W.A.O, but they were eliminated in the first evaluation round without having their performance aired.
– Heemin has a pet cat named Moka (named after the color mocha).
– As a child he used to practice traditional Korean dance.
– His role model is BTS‘ Jungkook.
– His hobbies include watching and playing soccer, bowling, photoshoots, and shopping.
– Heemin’s specialty is arm wrestling.
– He’s a big fan of Sam Kim and especially enjoys listening to his songs on rainy days.
– His favorite season is spring.
– He describes himself as calm, warm-hearted, childlike, and a sensitive vocalist.
– His charming points are his aegyo sal, the mole on his collarbone, and vocal tone and color.
– His goal is to perform in the USA and become an idol who’s loved by many.
– A song he enjoys is “Slow Dancing” by BTS‘ V.
Hwiseong
Stage Name: Hwiseong (휘성)
Birth Name: Mun Hwi Seong (문휘성)
Position(s): N/A
Birthday: N/A
Zodiac Sign: N/A
Chinese Zodiac Sign: N/A
Height: N/A
Weight: N/A
Blood Type: N/A
MBTI Type: N/A
Nationality: Korean
Instagram: @hwis_sng
Hwiseong Facts:
– On September 22, 2025 it was revealed that Hwiseong was no longer part of the group.
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For reference on MBTI types:
E = Extroverted, I = Introverted
N = Intuitive, S = Observant
T = Thinking, F = Feeling
P = Perceiving, J = Judging
Made by: noa (forkimbit) and Hender
Who is your EION bias? Do you know more facts about them? Feel free to comment below.
