Is Gotham a comic book?

Yes, Gotham is based on a comic. It takes inspiration from the Batman comic universe.

Gotham is primarily based on characters and elements from DC Comics' Batman franchise.

Yes, Gotham Knights is based on a comic. It takes inspiration from the Batman comic universe.

I'm not sure exactly which comic Gotham Knights is based on. Maybe it's a combination of various Batman-related comics or a new take altogether.

Yes, Gotham is based on DC Comics. It explores the origins of various characters in the Batman universe.

Well, it depends on which specific comic you're referring to. In some Batman comics, he does leave Gotham for three years, but not in all of them. It really varies by the storyline and the creative direction of the writers.

Not really. Gotham takes some liberties and makes changes to the comic book storylines to create its own unique take.

Yes, it is. The Gotham Knights TV show is indeed based on a comic series.

The Trajectory of Dawn in the World of Comics was a novel recommended to the goons who had been reborn into Gotham. This novel was written by the handsome dog Frank, and it told the story of a man who was reborn as a goon of Gotham and mistakenly entered an evil organization. Although the protagonist clearly wanted to walk towards the light, he was gradually shrouded in darkness. The whole world was trying to persuade him to become a supervillain, but he was still determined to turn the dark and chaotic era around and put the world back on track. This novel had an interesting setting and rich content. It was a novel worth reading.

Yes, there are. Some movies draw inspiration from various sources but not directly from comic books. For example, 'The Truman Show' has elements of a fantastical world but isn't based on a comic.