Which character sounds more interesting?

1. When Amir was 14 he was diagnosed with cancer. In order to survive he was turned into a demon who craves human flesh. Even though his urges are intense and hard to control he still tries everything he can to resist the temptation to eat Humans. Everyday is a battle to control himself.

2. Lucifer decided to become a demon because he felt like living as a human was boring and dull. He regularly kills and eats humans. He loves it and enjoys the hunt for more human flesh. He especially loves humans that are smart and give him a challenge.