Hyuna
Psy
PSY
Gangnam Style was a single in an album written and presented by a South Korean rapper Psy.
psy is famous, because he created Gangnam style
Psy did it.
PSY
PSY.
Psy's Gangnam Style music video can be found in YouTube as well as embedded in many websites.See Official Gangnam Style music video
Well considering Psy along with another Korean wrote Gangnam Style, probably Psy himself.
Yes, Gangnam style is written by Psy and Gunhyung Yun. Two people are written this song.
No
He is atheist