Think a name for my new trademark -- 2

I hope you can help me to find a name for my new trademark, i want to start a brand making cellphone accessory, mostly like phone cases. the name must showing powerful;solid; firm; stable, and durable There are very famous names calling "Rugged Armor" and "Tough Armor" from a Koren company, what i need is the same feeling or meaning as this kind of names and without negative meaning in Western culture.... And one more thing there have to me pay attation is this name must be searched on the USPTO "Trademark Electronic Search System (TESS)----Basic Word Mark Search (New User) “，the link is: "[login to view URL]:avqd8l.1.1" and should be no same name in the system... and form of this name better to be 2 sipmle words, no need spell correctlly, it'ok if just a no -meaning words but pronouncing the similar meaning.....