Cloak

-pretty elegant, clever, sort of demanding too, maybe a little bit crazy inside, can be frivolous about certain things? She's pretentious around others and specifically her own assistant. She is a liar like her assistant.

-She has an anthro form

-Maybe an former assistant of Mystere but later was killed? 

-If the above is not confirmed to be canon maybe just the assistant of Mystere?

-Around the age of 16