Tis a ton of fun when you can do voice talent madness in unexpected ways. Growing up on musique concrete helps. (Virgil, the Kalmbach in the Wind music cue you heard, the wind was actually a mouth noise sample played at different speeds on keyboard from the fabulous grunge machine, the Akai 612S sampler. )
1. Make a pitched pink noise into microphone sampler
2. play on keyboard
Or the actors can have fun and discover baby talk in unexpected voices. Gives a brand new range of possibilities, giving the unexpected there....
The word for the day is NPD. Check it out.