For cats who didn't grow up together, my kids get along pretty well. (Th e boys have a tendency to pick on Peno, but they give up pretty quick most days)
Despite that - they aren't big snugglers. Occasionaly, when Tux is very calm and sleepy, Peno will lay down right beside him, but it's rare. Rocky and Tux, and Rocky and Peno, never snuggle. They will all sleep in the bed or on the couch together, but there's always a foot or two between them.
So the other day, when I went upstairs to put some laundry away, I was suprised to find the boys thus:
Of course, since I woke them up, their snuggling quickly evolved into a wrestling match..