Not that I have seen. They will each have their own line. You will for sure find Mickey and Minnie at their houses in Toon Town. Goofy is usually wondering around there. Donald and Pluto we tend to only ever find when you first enter through the tunnels. Mickey, Minnie and Goofy are there too. As I mentioned, they will each have their own line. So that will require lining up 5 times. On a side note, we have always found that Pluto likes to 'wander'. He doesn't stand still. so you will have to ask him nicely for an autograph/picutre other wise he will wave, give a quick hug and be gone again. there was never really any 'line' per say. but maybe that is just how he is for us