Are Yeo Hoon-min and John Kay both singers ?
John Kay (musician) John Kay (born Joachim Fritz Krauledat, 12 April 1944, Tilsit, East Prussia, Germany, now Sovetsk, Kaliningrad Oblast, Russia) is a German-Canadian rock singer, songwriter, and guitarist known as the frontman of Steppenwolf.
Haha (entertainer) Ha Dong-hoon (; born on August 20, 1979), better known by his stage name Haha (), is a South Korean singer and variety show host. He is best known for being in the sitcom, "Nonstop" and for co-hosting two popular variety programs, MBC's "Infinite Challenge" and SBS's "Running Man". He has also hosted his own show, titled "Ya Man TV" on Mnet in 2015.