They often have a sense of deep - seated pain. For example, like I mentioned about Magneto, his pain from the loss of his family during the Holocaust drives his actions as a villain.
The Joker in some interpretations has a sad back story. He was often bullied and had a difficult life before his transformation into a villain. His failed attempts at normalcy and the constant abuse he endured in society pushed him over the edge.
Spawn fanfic is basically fan - made fiction about Spawn. You know, Spawn is a really cool and complex character from comics. Fanfic writers might take the dark and gritty world of Spawn and add their own twists. For example, they could write about Spawn having a different origin story or getting involved in a new battle against some otherworldly foes. It's all about taking the existing Spawn lore and expanding on it in a way that the original creators might not have thought of.
Spawn fanfiction is fan - created stories based on the 'Spawn' franchise. It can include new adventures of Al Simmons (Spawn), different takes on his relationships, or exploring uncharted parts of the Spawn universe. Writers use their creativity to expand on the existing lore.
Spawn comics have indeed come to an end. The decision to end it might have been based on various factors such as creative direction, sales figures, or the story reaching a natural conclusion.