- In the short story version of Fairy Tail, Natsu wasn't a human, but a spirit with horns.
- The original color of Natsu's clothing was supposed to be red. However, Hiro Mashima decided to change it to black because he wanted a better contrast between Natsu's fire and his clothing.
- Hiro Mashima said that Fire Dragon's Iron Fist is Natsu's signature move.
- The best quality of Fairy Tail according to Natsu was "There are a lot of strong guys there".
- He wishes to defeat Erza and Laxus, and find Igneel in the future.
- He has a good relationship with Happy and Lucy.
- Natsu claims that he hasn't found a job yet that is difficult for him to handle.