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
The weaker trait is called the recessive trait The stronger one is called the dominant trait
This could be called a trait (inheritance).
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.
Twitchy! He is a very hyperactive photographer squirrel that works for the wolf
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.
People have names so that they can be identified clearly when two other people are talking about them.