4 across - A Tolkien character seen in Chorley? That's odd in a clear way (10) ??H?R???L?
The "R" above may be wrong - I'm not completely sure about that particular answer....
16 down - Japanese laureate aroused, mostly upset by a bill going up (8) ?A?A?A?A
I can think of a couple of words that fit, but without understanding why....
I'm stuck on this last one.
20 down - Bell, perhaps of yellow metal, Zulu traded for piece of Tupperware (6) ?R?N?E
I'm thinking Bronze, but can't parse it....