The Droid X was origionally known as the Droid XTRM (droid extreme)

[wormeyman]

How Google controls Android: digging deep into the Skyhook filings | This is my next...

On May 17 Google asked Motorola if Skyhook was included in the Droid 2 and Droid XTRM, which would ultimately be known as the Droid X, and began asking about possible data contamination.​

Anybody else not know this?

 

[El Jefe]

It was known as the Motorola Shadow too. Here are some old AC articles.

The Motorola Droid Shadow likes to work out, have its picture taken | Android Central

Verizon Droid Xtreme shows its backside | Android Central

All phones usually have multiple names / codenames before they are given their final name on the retail packaging.