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Sanggyun (상균; formerly known as A-Tom) is a South Korean rapper and singer-songwriter. He is one half of the duo KENTA・SANGGYUN and a former member of the boy groups JBJ and ToppDogg.

Career[]

2013–2017: ToppDogg, Produce 101 Season 2, JBJ[]

Originally using the stage name A-Tom, he debuted as a member of ToppDogg on October 24, 2013 with the mini album Dogg's Out.

Now using his real name after leaving ToppDogg, he participated on the reality survival show Produce 101 Season 2 representing Hunus Entertainment. However, he was eliminated in the finale after ranking 26th, and ultimately would not debut with Wanna One.

He debuted as a member of JBJ on October 18, 2017 with the mini album Fantasy.

2018: Debut with JBJ95[]

Following JBJ's disbandment on April 30, 2018, he debuted with Kenta as the duo KENTA・SANGGYUN (then known as JBJ95) on October 30 with the mini album Home.

Personal life[]

Military service[]

On September 9, 2024, it was announced that Sanggyun will be enlisting in the military in the second half of the year.[2] On April 20, 2025, the KENTA・SANGGYUN Twitter account announced that he would start his service on May 16.[3]

Discography[]

Collaborations[]

  • "Childlike" (with Sohee) (2017)

Features[]

Writing credits[]

  • All credits adapted from KOMCA, unless stated.[4]
Artist Song Album Type
2013
ToppDogg "Follow Me" Dogg's Out Writing
"Cigarette"
"Play Ground"
2014
ToppDogg "Arario" Arario Writing
"Keep Smiling"
"Fever"
"Arario (Remix)"
"Amadeus" Amadeus
"Topdog"
"Salieri"
"Oh My Baby"
"Peekaboo"
"Annie" "Anniversary"
2015
ToppDogg "Get Out of My Way" "Dokgo OST" Writing
"Runaway" The Beat
"Emotion"
2016
ToppDogg "Feel Alive" "Please Come Back, Mister OST Part.2" Writing
"Feel Alive (Rap Ver.)"
Jenissi "Rollin'" True Be Honest Writing
ToppDogg "Perfume" First Street Writing
"Rainy Day"
"Sunshine"
"뭐랄까나"
"Flower"
"Blind"
"Good Morning"
"Rainy Day (Glitch Mix)"
2017
ALICE "Farewell" Color Crush Writing
JBJ "Fantasy" Fantasy Writing
"Say My Name"
2018
JBJ "True Colors" True Colors Writing
"My Flower"
"Wonderful Day"
"Every Day"
JBJ "Call Your Name" New Moon Writing
"☆☆ (Be Joyful)"
"Just Be Stars"
JBJ95 "Love Dive" Home Writing
"Home"
"Thinkin' About You"
"Before the Show"
2019
JBJ95 "Friend Zone" Awake Writing
Sanggyun "Lookin 4 Love"
JBJ95 "Unreal" Spark
"Spark"
"Hey, Summer"
2020
JBJ95 "Shadubidu" Jasmin Writing
2024
KENTA・SANGGYUN "Love Countdown" Love Countdown Writing
Composing
Arranging
"Spirit/Kiai"
"Dreams" Writing
"Love Countdown (Sped-up Ver.)" Writing
Composing
Arranging
2025
KENTA・SANGGYUN "Hello From the Other Side" Hello From the Other Side Writing
Composing
Arranging
Roh Tae Hyun "Dummy Dummy" Writing

Filmography[]

Dramas[]

  • Let Me Hear You Song[5] (KBS 2TV, 2019)

Reality shows[]

Gallery[]

Main article: Sanggyun/Gallery

References[]

Official links[]