Top 10 Naruto Characters:

[To Whatever]

With the least amount of facial expressions: No other paths other than Deva allowed

1.

Shino

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2.Tobirama/Sai
3.Deva path/Neji
4.Itachi
5.Shikamaru
6.Kakashi
7.Gaara(Part 2)
8.Sasuke
9.Nagato
10.Konan​

Before you complain about #1, this isn't canon:
[video=youtube;Rwj8wx9JeXw]http://www.youtube.com/watch?v=Rwj8wx9JeXw[/video]

 

[3rd]

Tobirama is first.

 

[Itαchi Uchihα]

Tobirama is first.

Come on.. Shino before Tobirama!

 

[Flawž]

Shino
Tobirama
Sasuke
Sai
Neji
Deva path
Konan
Kakashi
Sasori
Itachi

 

[Xlad]

I can't even see his face. Its really starting to tick me off.

 

[Misconception]

1- Gaara(Part 1)...
2- Deva Path...
3- Tobirama...
4- beginning Part 2 Sasuke...
5-10 Doesn't matter...

 

[To Whatever]

1- Gaara(Part 1)...
2- Deva Path...
3- Tobirama...
4- beginning Part 2 Sasuke...
5-10 Doesn't matter...

Part 2 gaara is the mellow one. Part 1 gaara has too many insane expressions to be #1

 

[Mighty]

I think sai should go first... i mean c'mon, he had to read books to learn emotions...

1. sai
2. shino
3. tobirama
4. sasuke
5. anko
6. nagato
7. ibiki (Torturer... his job is to not smile)
8. Itachi
9. Hayate (Sick face all the time)
10. Gaara

 

[Misconception]

Part 2 gaara is the mellow one. Part 1 gaara has too many insane expressions to be #1

Part 2 Gaara is a let down from part 1... He went from being the most dangerous and most feared to losing/dying within the first 30 episodes in Shippuden... Also part 1 Gaara didn't start acting crazy until the chunnin exams...

 

[Nocturnal]

I agree with your list.

 

[Sageflash]

1. Shino
2. Neji
3. Sasuke
4. Tobirama
5. Itachi in part 1
6. Sai
7. Hayate
8. Sasori
9. Kisame
10. Kakuzu

 

[A$AP Wap]

Deva Path is first.

 

[Uchiha420]

Sasori always had that calm serial killer vibe