kind
funny
friendly
smart
honest
happy
fun
stubborn stuck up uptight grumpy insecure
Cunning is a trait of people sorted into Slytherin - it is not the name of a character.
You could shorten it to Mal or Al; you could call them Colm, which is a Scots name; you could also give them a nickname based on their personality or a physical trait.
I'm pretty sure that you are thinking of sociopathy.
Acquired Trait
This could be called a trait (inheritance).
The weaker trait is called the recessive trait The stronger one is called the dominant trait
Sarah is a person with a comic personality and generally shy unless they know who they are talking to. =) tee hee
You need a name so that other people can distinguish you from others in conversation.
A weak trait that is masked by a stronger trait is often referred to as a "shadow trait" or a "secondary trait". These traits may not be immediately apparent due to the dominance of the stronger trait.
Twitchy! He is a very hyperactive photographer squirrel that works for the wolf
Your name has little or nothing to do with your personality