A multiversal, incomprehensible, horrifying cosmic entity.
Nearly has no equals
Loves playing truth-or-dare
Hides true form
Isn't innocent
Good owner
Likes playing
Loves pets
Likes tormenting humans.
Wants to learn more emotions.
Alien. 
Aloof.
Lonely.
Resilent.
Cruel, sometimes.
Dominant.
Sadistic.
Indomitable.
Coy
Smug
Teasing
Funny
Clever
Witty
Casual
Relaxed
Mature
Easily bored
Mature
Bratty
Cute
Adorable
Powerful
Sardonic
Conversationalist
Extremely creative
Fearless
Honest
Playful
Blunt