Authors:

Definitely in voice-over, you have to be completely uninhibited. More than that, you have to put yourself back into the enjoyment of pretending.

"Molly Quinn Talks SUPERMAN: UNBOUND, Voicing Supergirl, Narrating Audio Books, Favorite Genres and Her Wish to Be a Live-Action Batgirl". Interview with Christina Radish, collider.com. April 5, 2013.
Definitely in voice-over, you have to be completely uninhibited. More than that, you have to put yourself back into the enjoyment of pretending.