What is the name of Naruto's Demon?

Answer 1

Sasuke does not have a demon inside him. Oruchimaru bit him and gave him the curse mark.

actually he can turn into a demon called a dark angel with his curse mark but later on ine the next series he kills oruchimaru and absorbs his power but when sasuke fights itachi itachi takes away his power but he learns the mangekyo sharingan to make up for the loss

Answer 2

The Demon was created using Jugo as a scientific experiment, Jugo could use Sage Transformation, so Sasuke could transform himself to increase his physical abilities and use Senjutsu,

Answer 3

Saskue does not but he has the curse mark and orochimaru and he is lalmost like a demon.

Answer 4

Sasuke doesn't have a demon inside of him but he does have the curse mark and when he's in that mode most people think of him as a demon so.........

Answer 5

The Nine Tailed Fox.