Gentleman is a is a 2013 K-pop single by South Korean musician by Psy. It is the follow-up to his international hit single “Gangnam Style”, which at the time of Gentleman’s release had been viewed on YouTube over 1.5 billion times.
Official music video for the Gentleman single by Psy. There is also an unofficial Grand Theft Auto IV parody version featuring protagonist Niko Bellic as the gentleman. Check it out below! 
https://www.youtube.com/watch?v=TjOobAmOe0E?modestbranding=1
Shimbo Suzuki
This guy is a boss. Enough said. 😛