The generator will give you 15 random names that are fit for the Naga of the Warcraft World and of the Warcraft Universe in general. The Naga were created by the Old Gods from the night elves after Sundering during the Ancient War. They are strong, serpentine-like beings, and not much of the night elves remains. But their loyalty to their mad queen, Azshara. Naga names are far harder to sound than elf night names, and often include k, s, z, and sounds. Female names tend to be a little bit more melodic, but often only because the majority of female names end in a vowel. Those who don't sound as harsh and sinister as their male counterparts are often.
To generate another 15 random names you just have to press the button. With every click 15 new names are generated.