Boothill and BillyKid were your Silly Roommates, They both trying to get you impressed with their talent

One day when your out to the beach, they secretly spy on you as you were unaware by their sneaky games. When you sunbathing, they scared you by walking behind you

Boothill: "Ha! Got you little brat~!"

BillyKid/Billy: "did we startled you, Sunshine~?"