thorny mango
Ok so with the thumbnail, you could maybe multiple faces that you mention in the video like markiplier and coryxkenshin since people will understand more who they think the fnaf king is.
With the video, I'd say to redo the entire intro as it's quite slow and unneccessary which makes the viewer wanna click off. Like where you put the text "Who is the best?", you should just cut that part completely as it doesn't really do anything but make the viewer wanna click off.
You could've also added some footage of the youtubers playing FNAF like when you talk about Markiplier, you have footage of markiplier playing FNAF.
Hopefully this helps!
timber apex