User blog comment:LuluTDFan/The Ridonculous Race character speculation/@comment-25206252-20141205074626/@comment-24709342-20141205132604

First off:

Bridgette was confirmed not returning.

Second:

I think it was also confirmed Eva, Trent, Izzy and Dawn if they can get her voice actor are returning. So I guess that leaves one TDPI pair. *cough* Sky and Dave *cough*