Jung Yoon-hak is a South Korean actor, model and singer.
He is the leader of Supernova, and member of its Sub-Unit Double Ace, along with fellow vocalist SungJe.
He is known for his lead roles in My Unfortunate Boyfriend, Bouncer and Ichijiku no Mori.
He started to show symptoms three days after returning to South Korea from Japan.
On April 3, 2020, he was quarantined and was treated at a hospital in Seoul.