Kingdom Hearts and all of its characters belong to Tetsuya Nomura, Square Enix, and Disney.
The subtitles and stuff belong to me, though, cuz I wrote them.
At present, Rharyx has 3,611 views spread across 2 videos for Kingdom Hearts HD 1.5 Remix, with his channel publishing less than an hour of Kingdom Hearts HD 1.5 Remix content. This makes up less than 0.05% of the total overall content on Rharyx's YouTube channel.