Bratty and Catty (/ˈbræti/, /ˈkæti/) are a pair of vendors that can be found in an alley to the right of the MTT Resort. They are best friends, often saying the same lines or finishing sentences for each other (usually in the American valley-girl dialect), and both are big fans of Mettaton. They have several wares found from the Garbage Dump, including the Mystery Key. 

omg sound like a lol type of gal . . . .(i regret typing that )