I listed the most interesting 20 faces I could find that's possible to do by just using you keyboard.

The Curious face

 ಠ_ಠ 

The Music Lover

 @(^_^)@ 

The Shy Smile

 : ) 

The Don't mess with me face
̿ ̿̿ ̿’̿’̵͇̿̿з=(◣_◢)=ε/̵͇̿̿/’̿’̿ ̿ ̿̿ ̿̿ ̿̿ 

The Creepy Guy

 ( ͡° ͜ʖ ͡°) 

The Doubting Guy

 ¯\_(ツ)_/¯ 

The Cute Face

 ^_^ 

The Guy With a Long Ass Nose

 :-) 

The Crying Face

 ( ಥـْـِـِـِـْಥ) 

The Dissapointed Face

 =_= 

 The Hugging Face
(>'-')> 

The Amazed Face

 :-0 

Doge

 [‘ᴥ’] 

The Flat Cute Face

 ^__^ 

The Flip the Table Face

 (╯°□°)╯︵ 

The Regular South Park Face

 XD 

The Smile

:D

The Mob Gang

 (-_(-_(-_(-_-)_-)_-)_-) 

The Spider

::)

The Drug Addict
(ʘ_ʘ) 

If you like any of these and want to use them or send them to anyone, easiest way is to just copy it from here.

Also let me know in the comments, which one is your favourite or what did I not include in this that you also like.