You three can be any one of the many Kardashian women!
Someone could be Nepeta, someone else could be Vriska, and then Aradia? :o) MiRaClEs, BrOtHeR.
Three musketeers.Woo hoo.
A water molucule. One person can be oxygen, the other two hydrogen.
Crayons. You could add a blouse and leggings under the costume.
Moe,Larry,Curley. nyuk nyuk. Spread out!
mario luigi and yoshi!
peanut butter, jelly and bread
hot dog, ketchup and mustard.
thing one, thing two and cat in the hat
scooby, shaggy and velma?
rock paper and scissors?