You might enjoy 'Witches Abroad' as it has a mix of magic, adventure, and witty characters like in Good Omens. The storylines have a comparable charm and wit.
His pride is also a characteristic that is sometimes emphasized. He believes in the superiority of Heaven and its ways, and this pride can lead to conflicts with other characters. He may look down on Aziraphale for his friendship with Crowley, seeing it as a betrayal of Heaven's values. However, in some fanfics, this pride can also be his downfall as he fails to see the changing tides in the eternal battle between good and evil.
His loyalty. Despite being a demon, Crowley shows a great deal of loyalty, especially to Aziraphale. In a fanfiction, you could explore how far this loyalty extends, like if Aziraphale was in real danger from other celestial beings. It would show a different side of Crowley as he goes to great lengths to protect his friend.
Yes, it was a successful novel. The characters in 'Good Omens' are well - developed and memorable. The story's ability to balance the serious topic of the end of the world with comical situations and witty dialogue made it a hit. Moreover, its popularity led to adaptations in other media, which is a clear sign of its success as a novel.
Sure, there is a Good Omens graphic novel. It brings the story to life in a visually appealing way. The illustrations enhance the experience of the narrative.
Good Omens is primarily a traditional novel. However, there might be some related adaptations or spin-offs in other forms, but the original work is not a graphic novel. It's known for its rich and imaginative storytelling in prose.