Annie Mole's, webmaster of Going Underground, daily web log (blog).
If you like this you'll LURVE One Stop Short of Barking, THE fun and informative BOOK about travelling on the London Underground.
Spiral, corkscrew and tea-cup have been some of the offerings on Twitter, when we were discussing a few weeks ago.
Any more suggestions welcome in the comments below. This is just for fun, as TfL have already said that the line won't be re-named. I'm not sure if they've ever renamed an entire Tube line since the London Underground existed!
"The magic, mystery & sometimes maddening shortcomings of London's Tube are documented with love, enthusiasm & sometimes despair by its unofficial social historian." The Guardian