Syle

"I'm going down in Syle" - Syle, after Justisk kills him

Syle is a depressionist skeleton who lives in Snowdin and the True6R version of Sansronu: http://underek.wikia.com/wiki/Sansronu

 Species/Appearance 

Syle is Sans with hair and green clothes. His hair is black and is parted in a Kylesriel haircut. He is not a narwhal like Sansronu, he is 100% skeleton.

 Personality 

He has a similar personality to Undertale Sans, not Underek Sansronu. He likes to say "DEPRESSIONNNNNNNNNN", claiming he has crippling depression. He pretends that he has the ability to give others depression. (he can't)

 Backstory and Abilities 

See Sansronu: http://underek.wikia.com/wiki/Sansronu