K-pop Boy Groups

PLAN B Members Profile: Full Names, Ages, Heights, Weights and More

June 26, 2026 | By
PLAN B members are Hwi, Hao, Roy, and Han.
OriginSeoul, South Korea
DebutAugust 18, 2023
Disbanded2025
Number of Members4
MembersHwi
Hao
Roy
Han
James
Oldest MemberHao
Youngest Member (Maknae)Han

PLAN B Former Members Profile

Hwi

PLAN B member Hwi
Full NamePark Sang-hwi
BirthdayMarch 10, 1997
BirthplaceN/A
Age29 years and 3 months old
HeightN/A
Zodiac SignPisces
MBTIESFP
PositionLeader, Rapper

Hao

PLAN B member Hao
Full NameGuo Chen Haoyu
BirthdayApril 27, 1994
BirthplaceSichuan, China
Age32 years and 1 month old
Height5 feet 9 inches (176 cm)
Zodiac SignTaurus
Blood TypeAB
MBTIINTP
PositionVocalist
Instagram@howe_gou

Roy

PLAN B member Roy
Full NameToey Nataphong Singon
BirthdayOctober 8, 1996
BirthplaceN/A
Age29 years and 8 months old
HeightN/A
Zodiac SignLibra
MBTIESFP
PositionVocalist
Instagram@t.rix777

Han

PLAN B member Han
Full NameKang Wangseok
BirthdayOctober 4, 2001
BirthplaceSeoul, South Korea
Age24 years and 8 months old
HeightN/A
Zodiac SignLibra
MBTIISTJ
EducationSeoul Hoseo Art Occupational Training College
PositionVocalist, Maknae

James

PLAN B former member James
Full NameNakorn Boonmongkolkul
BirthdayOctober 28, 1996
BirthplaceBangkok, Thailand
Age29 years and 7 months old
Height5 feet 8 inches (172 cm)
Weight127.85 lbs (58 kg)
Zodiac SignScorpio
Blood TypeO
MBTIENFJ
PositionRapper
Instagram@_jamesna

Member Ages: Oldest to Youngest

MemberBirthdayAge
HaoApril 27, 199432 years, 1 month, 30 days old
RoyOctober 8, 199629 years, 8 months, 18 days old
JamesOctober 28, 199629 years, 7 months, 29 days old
HwiMarch 10, 199729 years, 3 months, 16 days old
HanOctober 4, 200124 years, 8 months, 22 days old

FAQs

How many members are in PLAN B?

PLAN B is a 4-member K-pop boy group. The group consists of Hwi, Hao, Roy, Han, and James.

When did PLAN B debut?

PLAN B debuted on August 18, 2023, with their single 1 PERCENT.

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