This is by no means professional grade, but it is cheap and fast.
* Anything within reason. Any hateful speech will automatically receive an accent because I don't want it to be confused with my personal opinion. No threats of violence toward individuals allowed. I will not be your ransom note. If you want to know if your script is acceptable, just ask.
Dubbing / Impersonation
English - American
English - New Zealand
I'll say up to 25mb worth of words into the microphone of my Astro A50 headset