If you are confuse, You can use Tumblr Name Generator to generate your new Tumblr URL. Now its time to come up with new Tumblr URL ideas.
Tumblr Username Generator
I have created a generator which can generate Tumblr URLs, Names and Titles. You can generate numerous Unique names within a minute without refreshing a single page.
All Tumblr name gets regularly updates because of availability. You will get always unique and cool names and titles. All the tips given there, How to use it.
For the first, i had created Tumblr URL Generator for myself. However, When i find it useful then i had published it for all Tumblr Users. It can generate below names and URLs.