Fafnir is a character from a storybook! He was once a human, but he got turned into a dragon because of his love for treasure. Fafnir is a greedy dragon who loves to hoard gold and jewels. He lives in a cave where he keeps all his treasure safe and protected.
In some stories, Fafnir is killed by a hero who wants to take his treasure. But in other stories, Fafnir is actually a tragic character who just wanted to be loved for who he was, not for his treasure.
Fafnir is often used as a symbol for greed and the dangers of wanting too much wealth. It's important to remember that there are more important things in life than just gold and jewels!