Jack: he likes to have his arm wrapped around your waist with your back facing him.
David: David always wraps his legs around yours and you cuddle.
Spot: You face him and he wraps him arm around you and you snuggle into his chest. He makes you feel protected.
Racetrack: You spoon.
Crutchy: Crutchy doesn't like to be crowded sleeping but sometimes he'll cuddle with you.