Watch Small Town Kevin (2012)
This animated comedy follows Kevin, a small town business owner, who always enlists the help of his best friend and bodyguard, Kane - even in the most useless situations.
For the script, Martin used robotic voices from text-to-speech to later replace with actual human voices for the final film. This is what it sounded like before the voices were replaced and before all effects and credits were added.
A short clip showing before, after and side-by-side comparisons of the few added effects in the film.