[ZeroGravitas]

Wikipedia says that the phone is called the Motorola Milestone in Europe, but called the Motorola Droid in the US because Verizon, who have exclusive US distribution rights on the phone, has licensed the name from Lucasfilm.

http://en.wikipedia.org/wiki/Motorola_droid

It also says that the HTC/Droid Incredible is on Verizon too.

http://en.wikipedia.org/wiki/Droid_Incredible

And the HTC Hero on Verzion is called the Droid Eris

http://en.wikipedia.org/wiki/HTC_Droid_Eris

[phreeza]

Aha that makes sense, so it is a carrier branding.