I found Fred Vincy a character very reminiscent of Godfrey Cass in Silas Marner. Like Godfrey he is decent but weak. He vacillates, puts things off and trusts to chance rather than making firm moral judgements. Mary is rather on the lines of Nancy--though she has a rather more vigorous character.
The Heart's a Heavy Burden--Howl's Moving Castle
"Time and Relative Dimension in Space"