The Chartreux is a French breed whose blue-gray ancestors appear in sixteenth-century writing. It nearly disappeared after World War I and was rebuilt in the 1920s from natural colonies of blue cats, which is part of why it's still uncommon in the US. Every Chartreux is blue, with a dense, woolly, water-resistant coat, gold to copper eyes and a sturdy body on fairly short legs.
In Charleston, that calm nature suits quiet apartments and homes where someone is around in the evenings. Expect soft chirps rather than loud meows, short bursts of play with wand toys, and heavier shedding as the seasons turn, so weekly brushing helps. Chartreux mature slowly, over several years, and gain weight easily, so measured meals and daily play matter. Each cat's personality varies, so spend time with a cat before deciding.