Yeo One

Name: Yeo One
Native name: 여원
Given name: Yeo Chang Gu
Also Known as: 여창구, Yeo Chang Goo, Yeo Won
Nationality: South Korean
Gender: Male
Born: March 27, 1996
Age: 30

Yeo Chang Gu, known professionally as Yeo One, is a South Korean singer, dancer and member of PENTAGON (펜타곤). He graduated from Baekam High School and later obtained a degree in Performing Arts from Chungbu University.

He participated in Mnet's survival show "Pentagon Maker" and was chosen as one of the original 7 members of the new boy group to be managed by CUBE Entertainment (큐브엔터테인먼트).

He made his debut in October 2016 as PENTAGON's lead vocalist with their self-titled debut EP. He also began modeling with labelmate HyunA and bandmate Hongseok.

In October 2023, the agency announced his contract had ended and was not renewed. He left CUBE but remains part of PENTAGON.

He enlisted for his mandatory military service on May 28, 2024, and is scheduled to be discharged on November 27, 2025.

(Source: MyDramaList) Edit Biography

Year	Title	#	Role	Rating
2023	Queenmaker Korean Drama, 2023, 11 eps Ji Ni (Ep. 5) (Guest Role)	11	Ji Ni (Ep. 5) Guest Role	8.2
2022	Idol in My Living Room Korean Drama, 2022, 10 eps Yeo One (Main Role)	10	Yeo One Main Role	6.9
2022	If You Wish Upon Me Korean Drama, 2022, 16 eps Kwak Hyung Joon (Ep. 4, 6, 9, 16) (Guest Role)	16	Kwak Hyung Joon (Ep. 4, 6, 9, 16) Guest Role	8.4
2021	Pumpkin Time Korean Drama, 2021, 10 eps Han Se Jun (Support Role)	10	Han Se Jun Support Role	7.6
2021	Somehow Family Korean Drama, 2021, 12 eps [Himself / 'Air For You' rookie attendant] (Ep. 1-2) (Guest Role)	12	[Himself / 'Air For You' rookie attendant] (Ep. 1-2) Guest Role	7.4
2021	Nickname Pine Leaf Korean Drama, 2021, 3 eps Yeo Chang Gu (Main Role)	3	Yeo Chang Gu Main Role	6.6
2019	The Witch Store Korean Drama, 2019, 12 eps Sung Woo (Main Role)	12	Sung Woo Main Role	7.2
2017	Hello, My Twenties! Season 2 Korean Drama, 2017, 14 eps "Tyr" / Sin Chang Gu [Asgard member] (Ep. 4-7, 9, 11, 13-14) (Guest Role)	14	"Tyr" / Sin Chang Gu [Asgard member] (Ep. 4-7, 9, 11, 13-14) Guest Role	8.3
2016	Spark Korean Drama, 2016, 12 eps Ji Sung (Support Role)	12	Ji Sung Support Role	7.0

Year	Title	Role	Rating
2022	Pumpkin Time (Movie) Korean Movie, 2022, Han Se Jun (Support Role)	Han Se Jun Support Role	7.6

Year	Title	#	Role	Rating
2018	Joseon Beauty Pageant Korean Special, 2018, 2 eps Kyu Hun (Main Role)	2	Kyu Hun Main Role	7.1

Year	Title	#	Role	Rating
2024	Build Up: Vocal Boy Group Survivor Korean TV Show, 2024, 10 eps [Contestant] (Regular Member)	10	[Contestant] Regular Member	8.0
2022	2022 KBS Song Festival: Y2K Korean TV Show, 2022, 1 eps [Performer] (Regular Member)	1	[Performer] Regular Member	7.8
2022	Sing Forest Season 2 Korean TV Show, 2022, 4 eps (Ep. 3-4) (Guest)	4	(Ep. 3-4) Guest	10.0
2022	Idol Challenge: Another Class Season 2 Korean TV Show, 2022, 26 eps (Ep. 1-2) (Guest)	26	(Ep. 1-2) Guest	8.0
2021	Mama the Idol Korean TV Show, 2021, 8 eps (Ep. 8) (Guest)	8	(Ep. 8) Guest	8.0
2021	Pentahouse Korean TV Show, 2021, 8 eps (Regular Member)	8	Regular Member	8.4
2021	Adola School Season 2: Homecoming Day Korean TV Show, 2021, 22 eps (Ep. 19) (Guest)	22	(Ep. 19) Guest	8.5
2021	Midnight Idol Season 2 Korean TV Show, 2021, 150 eps (Ep. 114) (Guest)	150	(Ep. 114) Guest	8.6
2021	PR Team 22 Season 2 Korean TV Show, 2021, 8 eps (Ep. 4, 6) (Guest)	8	(Ep. 4, 6) Guest	0.0
2021	K-Pop Evolution Korean TV Show, 2021, 7 eps (Ep. 3) (Guest)	7	(Ep. 3) Guest	7.6
2021	Update on Your Real Characters' Taste Korean TV Show, 2021, 18 eps (Ep. 2) (Guest)	18	(Ep. 2) Guest	10.0
2021	Rumor Offisherlock Korean TV Show, 2021, 18 eps (Ep. 2) (Guest)	18	(Ep. 2) Guest	8.2
2021	Fact iN Star Season 2 Korean TV Show, 2021, 36 eps (Ep. 3-4) (Guest)	36	(Ep. 3-4) Guest	8.3
2021	4 Beats Korean TV Show, 2021, 14 eps (Ep. 6) (Guest)	14	(Ep. 6) Guest	0.0
2021	Gossip Idle Korean TV Show, 2021, 75 eps (Ep. 54) (Guest)	75	(Ep. 54) Guest	8.2
2020	Idol Workshop Pentagon Korean TV Show, 2020, 5 eps (Regular Member)	5	Regular Member	8.3
2020	Idol Wonderland Korean TV Show, 2020, 10 eps (Ep. 4) (Guest)	10	(Ep. 4) Guest	8.2
2020	PENTAGON's Jack Pod Korean TV Show, 2020, 10 eps (Regular Member)	10	Regular Member	8.6
2020	Idol Human Theater Korean TV Show, 2020, 104 eps (Ep. 26) (Guest)	104	(Ep. 26) Guest	8.3
2020	Idol Picknic: Pentagon Korean TV Show, 2020, 2 eps (Regular Member)	2	Regular Member	10.0
2020	Idol League Season 3 Korean TV Show, 2020, 66 eps (Ep. 2, 23) (Guest)	66	(Ep. 2, 23) Guest	8.4
2020	Eungsu CINE Korean TV Show, 2020, 579 eps (Ep. 113) (Guest)	579	(Ep. 113) Guest	6.0
2020	Back to the Idol Korean TV Show, 2020, 8 eps (Ep. 7) (Guest)	8	(Ep. 7) Guest	8.0
2020	Idol House Korean TV Show, 2020, 18 eps (Ep. 11) (Guest)	18	(Ep. 11) Guest	8.1
2020	Idol Challenge: Another Class Korean TV Show, 2020, 9 eps (Ep. 9) (Guest)	9	(Ep. 9) Guest	8.0
2020	IDOL VS. IDOL Japanese TV Show, 2020, 80 eps (Ep. 5-8, 73-76) (Guest)	80	(Ep. 5-8, 73-76) Guest	8.2
2020	Favorite Entertainment Korean TV Show, 2020, 12 eps [Auditions] (Ep.3) (Guest)	12	[Auditions] (Ep.3) Guest	8.4
2020	Idol Ability Market Korean TV Show, 2020, 27 eps (Ep. 12) (Guest)	27	(Ep. 12) Guest	8.7
2020	Road to Kingdom Korean TV Show, 2020, 8 eps [Contestant] (Regular Member)	8	[Contestant] Regular Member	8.5
2020	K-Bob Star Korean TV Show, 2020, 18 eps (Ep. 13) (Guest)	18	(Ep. 13) Guest	8.4
2020	Secret Friend of Idols Korean TV Show, 2020, 38 eps (Ep. 3) (Guest)	38	(Ep. 3) Guest	8.2
2020	‏2020 Idol Star Athletics Championships Korean TV Show, 2020, 9 eps (Regular Member)	9	Regular Member	7.9
2019	Transonglation Korean TV Show, 2019, 67 eps (Ep. 6, 32) (Guest)	67	(Ep. 6, 32) Guest	8.3
2019	Two Yoo Project Sugar Man Season 3 Korean TV Show, 2019, 14 eps (Ep. 1) (Guest)	14	(Ep. 1) Guest	7.8
2019	2019 Idol Star Athletics Championships Chuseok Special Korean TV Show, 2019, 6 eps (Regular Member)	6	Regular Member	7.8
2019	Midnight Idol Korean TV Show, 2019, 345 eps (Ep. 280, 324) (Guest)	345	(Ep. 280, 324) Guest	8.2
2019	Q&A Machine Korean TV Show, 2019, 34 eps (Ep. 28) (Guest)	34	(Ep. 28) Guest	7.6
2019	5 Minutes to Six Korean TV Show, 2019, 425 eps (Ep. 292) (Guest)	425	(Ep. 292) Guest	8.0
2019	Lunch Attack Korean TV Show, 2019, 570 eps (Ep. 424, 642) (Guest)	570	(Ep. 424, 642) Guest	6.0
2019	Idol Dabang Korean TV Show, 2019, 8 eps (Ep. 1) (Guest)	8	(Ep. 1) Guest	8.1
2019	Prison Interview Korean TV Show, 2019, 22 eps (Ep. 20) (Guest)	22	(Ep. 20) Guest	8.5
2019	Telepathy Live Korean TV Show, 2019, 4 eps (Ep. 3) (Guest)	4	(Ep. 3) Guest	8.1
2019	Run.wav Korean TV Show, 2019, 25 eps (Ep. 5) (Guest)	25	(Ep. 5) Guest	8.2
2019	Star Road: Pentagon Korean TV Show, 2019, 24 eps (Regular Member)	24	Regular Member	8.0
2018	Mafia Dance Korean TV Show, 2018, 26 eps (Ep. 11) (Guest)	26	(Ep. 11) Guest	8.2
2018	Pentagon - Just Do It Yo! Korean TV Show, 2018, 24 eps (Regular Member)	24	Regular Member	8.5
2018	Idol Room Korean TV Show, 2018, 87 eps (Ep. 5) (Guest)	87	(Ep. 5) Guest	7.9
2018	Idol League Korean TV Show, 2018, 56 eps (Ep. 5, 36) (Guest)	56	(Ep. 5, 36) Guest	8.4
2018	K-RUSH Season 3 Korean TV Show, 2018, 33 eps (Ep. 31) (Guest)	33	(Ep. 31) Guest	8.3
2016	2016 SBS Gayo Daejeon Korean TV Show, 2016, 1 eps [Performer] (Regular Member)	1	[Performer] Regular Member	7.9
2016	Fact iN Star Korean TV Show, 2016, 200 eps (Ep. 72, 124-125) (Guest)	200	(Ep. 72, 124-125) Guest	8.2
2016	The Immigration Korean TV Show, 2016, 13 eps (Guest)	13	Guest	8.0
2016	Pentagon Maker Korean TV Show, 2016, 12 eps (Regular Member)	12	Regular Member	7.6
2015	King of Mask Singer Korean TV Show, 2015, 525 eps [Contestant] (Ep. 233) (Guest)	525	[Contestant] (Ep. 233) Guest	8.0
2013	After School Club Korean TV Show, 2013, 671 eps (Ep. 234, 243, 271, 311, 380) (Guest)	671	(Ep. 234, 243, 271, 311, 380) Guest	7.8
2013	Premium MelodiX! Japanese TV Show, 2013, 500 eps (Guest)	500	Guest	0.0
2011	Weekly Idol Korean TV Show, 2011, 707 eps (Ep. 288, 416, 506) (Guest)	707	(Ep. 288, 416, 506) Guest	8.1
2011	Immortal Songs: Singing the Legend Korean TV Show, 2011, 800 eps (Ep. 372-373, 399, 408, 480) (Guest)	800	(Ep. 372-373, 399, 408, 480) Guest	8.2
1998	Pops in Seoul Korean TV Show, 1998, 6000 eps (Guest)	6000	Guest	7.9