A possible summary is:
This is a transcript of a video by Film Theory, where the host argues that the Joker in Suicide Squad is actually Tim Drake, one of Batman's former Robins. He presents various clues from the movies, comics, and other sources to support his claim, and also explains why other candidates like Jason Todd or Dick Grayson are unlikely. He also promotes a video streaming service called Verve at the end of the video.
Here are the key facts extracted from the text:
1. The text is a transcript of a video from the YouTube channel Film Theory.
2. The video is about a fan theory that the Joker in Suicide Squad is actually Tim Drake, one of Batman's former Robins.
3. The video presents various pieces of evidence from the comics, movies, and promotional materials to support the theory.
4. The video also discusses how the DC Extended Universe has deviated from the comic lore and killed off or changed some characters.
5. The video ends with a promotion for Verve, a video streaming service that offers anime and other content.