runDisney Dopey Challenge, 4 races, 4 days, 4 costumes?

So of course I have already started to brainstorm running costume ideas for all of the races involved in the runDisney Dopey Challenge.  Here is what I am debating.  Do I want the 4 costumes to tie in with each other?  Or do I just pick 4 of my favorite characters to dress up as?  So many decisions!

My 3 year old daughter is suggesting I dress up as a different princess each race. Aurora, Jasmine, Cinderella, Belle, Ariel, or even Snow White again?

I have always wanted to do a running girlie version of a Buzz Lightyear costume as well as Nemo, so do I go all Pixar and maybe do Mrs. Incredible and Boo also?

I could always dress as 4 of the 7 dwarves.  Maybe Bashful, Dopey, Grumpy, and Happy?

There is also the villains idea. Cruella DeVille, Ursula, Queen of Hearts, and Maleficent?

Than there is always the totally random, but fun character idea.  Mary Poppins?  Daisy Duck?  Pocahontas?  Alice in Wonderland?  Merlin?  Jiminy Cricket?  Blue Fairy?

What do you guys think?