One key element is the motivation of the characters. If we look at a post - apocalyptic comic, the back story would explain why the main character is trying to survive and rebuild society. Another element is the history of the setting. If it's a steampunk comic, the back story might tell about how the technology evolved in that world.
The key elements include his rise to power through a combination of cunning and strength. His relationships with other criminals and his ability to manipulate them play a role. His long - standing feud with Daredevil is a central part of his story. Additionally, the way he manages his criminal enterprises, from illegal gambling to more heinous crimes, is also an essential part of his back story in the comics.
One key element is the wealthy setting. The 90210 zip code represents luxury. Another is the high - school aspect. The characters' experiences in school, like cliques and popularity contests. Also, relationships play a big part. There were romances and break - ups among the characters.
One key element is the nuclear apocalypse that destroyed Earth. Another is the Ark, the space station where the survivors were living. And of course, the 100 delinquents being sent to Earth.
One key element is its evolution from Gastly and Haunter. Another is its connection to shadows and darkness. Also, its mischievous nature is important.
The key elements are the Smurfs themselves, their forest village, and Gargamel. The Smurfs' unique characteristics and their village setting are important parts of the back story, and Gargamel as the main villain.
If it's Guts from 'Berserk', one key element is his origin from a hanged corpse, which sets him apart and makes his existence somewhat of an outcast from the start. Another is his time as a mercenary, where he learned combat skills and survival tactics in a harsh world.
One key element is his desire for power. Bowser wants to rule the Mushroom Kingdom. Another is his rivalry with Mario. Their battles are a big part of his story. Also, his relationship with Princess Peach, as he constantly tries to kidnap her. His army of minions is also an important part of his back story as they help him in his evil plans.
One key element is Tony Soprano's dual life. He's a mobster but also a family man. Another is the power struggles within the mob. There are different factions vying for control. Family loyalty, or the lack of it in some cases, is also a big part of it.
One of the key elements is my love for music. Since I was a child, I've been drawn to music. I would listen to all kinds of music, from classical to rock. This love for music has been a constant in my back story. It has given me an emotional outlet and also influenced my taste in other aspects of life.
One key element is his origin on Titan which was in crisis. Another is his radical solution for population control. Also, the rejection of his idea on Titan which pushed him towards a more extreme path.