Park Jae-sang (Korean: 박재상; Hanja: 朴載相, IPA: [pɐk̚.t͡ɕεsɐŋ]; born December 31, 1977), known professionally as Psy (stylized in all caps) (싸이; SY; Korean: [s͈ai]), is a South Korean singer, rapper, songwriter, and record producer. Psy is known domestically for his humorous videos and stage performances, and internationally for his hit single "Gangnam Style". The song's refrain was entered into The Yale Book of Quotations as one of the most famous quotations of 2012.On December 21, 2012, his music video for "Gangnam Style" exceeded one billion views on YouTube, becoming the first video to do so in the website's history. Psy was subsequently recognized by the media as the King of YouTube. As of May 2023, it is the eleventh most viewed video on YouTube, with over 4.7 billion views.

In December 2012, MTV noted Psy's rise from being little known outside South Korea, to being hailed as the "Viral Star of 2012". On December 31, 2012, Psy performed in a globally televised New Year's Eve celebration with American rapper MC Hammer on-stage in front of a live audience of over a million people in Times Square, New York City. Following his departure from YG Entertainment in 2018, he founded his own company, P Nation, in 2019.

Source: Wikipedia (https://en.wikipedia.org/wiki/Psy)