Who is the darkest ninja in Naruto

Nunber-5 Danzo is the darkest ninja in Naruto

Nunber-4 Orochimaru is the darkest ninja in Naruto

Nunber-3  Gaara is the darkest ninja in Naruto

Nunber- 2 Obito Uchiha  is the darkest ninja in Naruto

Nunber-1 Madara Uchiha  is the darkest ninja in Naruto