This generator of names will give you 15 random dwarf names fit for the Lord of the Rings. There is only 1 button for names, as in Lord of the Rings you can theoretically choose only 1 gender for dwarves online. This is because according to J.R.R. Tolkien (writer of LOTR), female and male dwarves are practically impossible to discern from each other, because female dwarves often have beards and low voices Of course you can still play a part as one sex or the other, but it is up to you how to fill in those specifics.
To generate another 15 random names you just have to press the button. With every click 15 new names are generated.