Is Gambler a psycho? He seems pretty professional and hasn't killed a kid yet. Unless poisoning a business partner is grounds to be called a "psycho."
We don't really know much about her other then she was his wife and apparently inherited a (somewhat weaker) version of his skills. I don't know if they'll explicitly confirm she was a Supervillain partner of his as Virtuoso, but she may be a nod to that character.