A little tool I made to easily edit some of the data that's hidden away in the EXE. Currently can edit initial data for Cait Sith and Vincent, as well as default character names on the naming screen, but may be expanded to include other stuff at some point!
Download link here. Includes a DLL (Editor.Core.dll) that you can use with manual mod installers, as well as full source code. Written in C#.