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2nd one, I'm not sure, Navi asks the question below as an interviewer and Charon's response is similar to his voice lines; he's lonely but loneliness doesn't stop him from making art.
He talks about enveloping the world in light even tho he says he's gone to hell and back, lol.
Finally...
I still feel that all these movies he made up tell about himself. 1st one has his dad and him arguing about his dream of making a train. Remember that Charon's relationship with his dad is bad because of the very ancient tech Charon's interested in; Other End.