[that's because finn is a good egg! but cassian has been called a lot of different names over the years, sometimes long enough that being called his own upon returning took some getting used to. it's better now, to be only cassian all the time.]

Name books? [okok, not entirely a real suggestion.] I've used many names, but only to hide my identity. They came from all manner of places. I don't think there is a real place to start. Something may just jump out at you one day.

[a beat. oh right, he does have an actual name.] Cassian is mine.