Finally got around to finishing up my Shadow (David Humphrey) voice pack, sooo yeah.
Vault:
http://forums.kc-mm.com/Gallery/BrawlView.php?Number=29300&Vault=audioAs with the Ryan Drummond pack, feel free to leave feedback.
All the replaced sounds were ripped from Sonic Adventure 2.
Intended primarily for the normal Sonic moveset, not sure how well it'll sound with a Shadow PSA on, since I don't use the things, personally.