One common theme is adventure. They might go on quests together. Another could be friendship, showing how their relationship develops over time.
Love and romance are also quite common. Since Amy has feelings for Sonic in the original, in the fanfiction with Sonic as a human, it often explores that romantic aspect in different ways. For example, how they overcome obstacles in their relationship, like misunderstandings or external pressures. It can also include themes of self - discovery, as Sonic being human might bring new perspectives to his character and his relationship with Amy.
One common theme is friendship. Sonic and Sonic (even if they are different versions) often form a unique bond, and their friendship with Amy is explored in different ways. It could be about how they support each other through tough times.
Love is a very common theme. Since Amy has a crush on Sonic, most fanfictions explore how their relationship could develop romantically. Another common theme is adventure. They are often set in the Sonic universe, so they include Sonic and Amy going on quests or fighting bad guys together.
One common theme is friendship. Despite their different personalities, Sonic, Amy, and Shadow often have to learn to be friends and work together. For example, in many fanfictions, they start off not getting along but end up relying on each other.
Redemption can be a theme. Metal Sonic, often seen as a villain, can be redeemed through his interactions with Amy. Her positive attitude and belief in the good in others can gradually change Metal Sonic's cold - hearted programming.
One common theme is redemption. Dark Sonic is often seen as a character in need of redemption, and Amy can be the catalyst for that change. Another theme is the power of love, showing how Amy's love for Dark Sonic can transform him. Also, there's the theme of good vs. evil, with Dark Sonic representing the 'evil' side and Amy the 'good', and their relationship blurring the lines between the two.
One common theme is acceptance. Amy has to accept Sonic's werehog form, which is different from his usual self. It's about looking beyond the appearance and loving the person (or hedgehog in this case) for who they are inside.
One common theme is adventure. The writers often put Sonic and Amy in exciting adventures where they have to work together. This could involve saving the world from a new villain or exploring a mysterious new land.
Adventure is also a major theme. Sonic and Amy usually embark on some sort of journey together. This could be to save the world from an evil villain or to find a special item. Their relationship develops during these adventures, like in 'The Lost Emerald' fanfic where they search for a powerful emerald and grow closer along the way.
A common theme is also the idea of loyalty. Amy is extremely loyal to Sonic, and in some fanfictions, Sonic has to learn to appreciate that loyalty. There's also the theme of self - discovery. Both characters might discover new sides of themselves through their relationship. For instance, Sonic might discover a more emotional side of himself because of Amy's influence.
Well, there are several. A prevalent theme is the clash of different natures. Metal Sonic's mechanical and often emotionless self against Amy Rose's passionate and emotional being. This can lead to themes of understanding and learning from one another. Another theme is the idea of an unlikely alliance. They might form an alliance against a greater threat in the Sonic world, and during this alliance, feelings start to develop. And sometimes, there are themes of sacrifice, where one of them might be willing to sacrifice for the other, which adds a lot of drama and depth to the fanfiction.