Hikaru Nakamura is among the best chess players as of today. He is known for being the arch rival of Magnus Carlsen, an opponent he has seldom got the better of.
Currently, Hikaru has a YouTube channel which has over 2.12 million subscribers. It seems that Hikaru is enjoying himself on YouTube, not that he is not focusing on competitive chess. He still does fine in tournaments, however has yet to win a world championship.
Apart from that, however these are 2 of his reaction videos that I like watching the most. If you follow chess avidly I recommend you to check these out.
These are some videos created on him and he has reacted to them.
Anyway guys, let me know your opinion in the comments below.