One interesting ddg fan fiction could be about his journey to stardom from a different perspective. It might focus on the challenges he faced behind the scenes that fans don't usually see.
Sure, you can. Just make sure the videos don't violate any copyright or community guidelines of the story platform. Also, consider if the content is still relevant and engaging for your audience.
One way is to look on dedicated video-sharing platforms and filter the results by date. Also, check out specialized archives or collections related to the type of story you're interested in.
Maybe it's against the platform's rules. Some platforms only allow new or recent videos to be posted on stories to keep the content fresh and relevant.