Ghost Fox
While no one actually knows about Ghost Fox, her 'host'/earthly persona is known.
Naenia Suen is a young violinist who holds a high seat with the New York Symphony (Philharmonic). In her early 20s, she not necessarily the youngest, but she's had a chair for a couple of years and currently holds 3rd seat. Those truly interested in the symphony might also know she attends graduate school at NYU (Courant Institute of Mathematical Sciences at the Manhattan Campus). Students might know her the same, especially math grad students, she's in her early years there and laying foundations towards her thesis work as a doctorate student.