Dallas could be a great addition. He has that tough exterior and his relationship with Johnny and Ponyboy is complex. His presence could add some drama and conflict. Another good character could be Sodapop. He's Ponyboy's brother and his kind and fun - loving nature could balance out the more intense moments between Johnny and Ponyboy.
Friendship is a common theme. Since they are friends in the original story, fanfics often explore the deeper aspects of their friendship and how it could develop further.
They could be in a situation where Ponyboy gets sick and Johnny takes care of him. During this time, they reminisce about their past memories, like the time they first became friends. As Ponyboy recovers, they decide to do something special like paint a mural on a wall in their neighborhood. This not only shows their friendship but also gives a chance to add some creativity to the fanfiction.
Another option is to check out Wattpad. It has a large collection of fanfictions. Although the quality can vary, you might be able to find some interesting 'johnny x ponyboy fanfic' by using the search function and looking through the results carefully.
You can start by looking on fan fiction websites such as Archive of Our Own. There are a lot of user - generated stories there. Just search for 'johnny x ponyboy' in the search bar and you'll get a list of relevant fan fictions.
One great story could be about their adventures outside of their usual setting. Maybe they go on a road trip together and face various challenges that strengthen their bond. They could encounter strange characters along the way and have to rely on each other for support.
His friends might be able to save him. If they notice his disappearance quickly enough, they could band together and search for him. Maybe they have some knowledge or items that can be used against the demon.
In this fanfiction, it might be due to his poor living conditions. He doesn't always have the best food or a warm, clean place to stay. His body could be weakened from not getting enough nutrition, which makes him more likely to get sick. Also, the emotional turmoil he goes through with losing friends and dealing with the Socs could take a toll on his immune system.
Well, it could be a story where Johnny is walking home late one night and takes a shortcut through an old cemetery. As he walks among the tombstones, he feels a cold hand grab his ankle. He tries to run, but he is frozen in fear. Looking down, he sees a bony hand emerging from the ground, and then he starts seeing shadowy figures rising from the graves all around him.