How do you change a TTF font name?

FontForge may be of use:

FontForge -- An outline font editor that lets you create your own postscript, truetype, opentype, cid-keyed, multi-master, cff, svg and bitmap (bdf, FON, NFNT) fonts, or edit existing ones. Also lets you convert one format to another. FontForge has support for many macintosh font formats.

TTX is a command line tool and can be make it pretty simple to change a font's name. There's a tutorial on how to do exactly that here: http://www.fontgeek.net/blog/?p=343

Download TTX as part of fonttools

You can use Typograf for that.

Navigate to the folder where font is located, select .ttf file, click Properties. Properties window will appear:

Change font names (font family, full name, Postscript name etc) as required and click "Save as..." button.