I'm currently playing a Mountain Dwarf Warlock.
Gives me proficiency with medium armour and some decent weapon proficiencies as well.
Add in +2 to Strength and Constitution, and he makes a fairly decent Sword and Shield Warlock
15 Str, 10 Dex, 16 Con, 10 Int, 10 Wis, 15 Chr at level 1.
I might...