Oh, you updated it so gold boy could be replaced? How would that work with his Toon Link sound files?
You would need to redirect their SFX to use someone else's SFX files, unless you want Ridley or whoever sounding like Toon Link. lol
Actually, I don't know how to redirect sounds at all.
My time to shine! If you want your ported fighter to use someone else's SFX file, start by using the code:
XXXXXXXX YYYYYYYY
Replace XXXXXXXX with the codes of the fighter you're porting/replacing over.
A list of XXXXXXXX codes for some fighters... [Under Construction]
Replace YYYYYYYY with a character's soundbank ID
[List Under Construction]
To demonstrate, let's say you want to port a fighter over Isaac and have them use Marth's SFX, so you would use the code 04AD8A8C 00000013 to do so. (04AD8A8C being Isaac's XXXXXXX code, and 00000013 being Marth's soundbank ID.)
Now that you have your new code, hold on to it. The next step is to open RSBE01.gct with the HxD software Pyotr previously linked, and use CTRL-F to find "F0 00 00 00 00 00 00 00" while using 'Hex values' for your search query.
Paste your code right before the F0 00. . . portion, then click OK on the confirm window. Now save the .gct, then exit. When you start up your build, your ported fighter's SFX should now be redirected.
I'm guessing you want to change Isaac's announcer call, but at the moment that can't be done without changing Mario's announcer call as well. But if you want to change Knuckles' announcer call or whoever, you would need Super Sawndz, the 'smashbros_sound.brsar' file, and a lot of patience.