Cambrian

[Sarah]

Of or pertaining to the lowest subdivision of the rocks
of the Silurian or Molluscan age; -- sometimes described as inferior to
the Silurian. It is named from its development in Cambria or Wales. See
the Diagram under Geology.

[Britney]

A spunky individual with sass and attitude. Shes the boss of the world, or at least she thinks she is. But its okay. Shes awesome and the most fun to be around. Shes the coolest sister a person could have. Shes also a professional cat wrestler and honorary cross country coach.