This person’s Twitter account is CalvinHe15, and his Reddit account is gairat77. Here is a link to an archive of his Reddit post: http://archive.is/HnxGd. There’s a link to an Imgur gallery mentioned in that Reddit discussion, which can be found here: https://archive.is/wjHXt. I have also archived the tweet by Calvin, in which he uses some of the same pictures as he does in his Reddit account, which can be seen here: http://archive.is/lhDHP. This confirms the link between his Twitter and Reddit accounts.