If a new name is needed, maybe a better name would be The Ubuntu Fox. Or maybe, in a similar vein, UbuntuFox.
* This uses the two strong brands Ubuntu and Firefox.
* It suggests quite clearly that it's a version of Firefox that has been adapted by Ubuntu for Ubuntu.
* It makes it very clear that Mozilla and Firefox are not responsible for the adaptations made by Ubuntu.
* It gives recognition to Mozilla and Firefox.
* It's kinda cute.
If a new name is needed, maybe a better name would be The Ubuntu Fox. Or maybe, in a similar vein, UbuntuFox.
* This uses the two strong brands Ubuntu and Firefox.
* It suggests quite clearly that it's a version of Firefox that has been adapted by Ubuntu for Ubuntu.
* It makes it very clear that Mozilla and Firefox are not responsible for the adaptations made by Ubuntu.
* It gives recognition to Mozilla and Firefox.
* It's kinda cute.