Milo and Madeleine
When Penelope's cousins Milo and Madeleine come to visit, she has a hard time telling them apart because they are twins! They play hide and seek, but she can't tell which is hiding and which is seeking. When they draw picture of each others' faces the same thing happens. Which is Milo and which is Madeleine? Still, they have much fun, and when it is time for them to go, Penelope knows she will miss them both.