How about something to play on your name? Hailey's Comet, Parent Trap, Astrophysicist, In the Mills, Steal the Copper, Copper Pipes
or some such. I don't know, can you repeat a name? Or no? That might make it harder....
Well we live in a townland called Hawkswood and I always thought it would be nice to have that as a prefix for some horse and then the rest of the name be tree orientated. I had thought of a few when we thought we might be getting a foal like:
Hawkswood silver birch
Hawkswood copper beach ect
I saw his name was copper and thought it just fit perfectly.