한 Ooon Ooon (오운) was a South Korean Male Artist. He started in group HALO. He retired in 2019. Read All General Information International Stage Name : Ooon Domestic Stage Name : Pronounce 오운 Full Name : Jung Younghoon Pronounce Aliases : 정영훈; Younghoon Date of Birth : 1993-01-15 (age 33) Zodiac : Capricorn Country of Birth : South Korea Related Artists : HALO - Leader,Vocal,Dancer Artist retired : 2019 Original group : HALO (No longer a member) Images No images yet