If you’re having a hard time keeping François and Perrault straight, François is the Robin character in this Batman and Robin-like team. He doesn’t have Perrault’s brains, and he defers to his buddy’s decisions.
But François is a nice guy—we see when he uses his own shoes to make moccasins for Buck. Aww. That's just adorable.
In short, we’re partial to the guy, and we feel sorry when Buck parts ways with the two men. Buck’s commentary on how the people in his life are always transient becomes all the more sad for us, because we’ve already gotten to like François and Perrault.François' Timeline