With Voices by Headliner you can create videos of your most favorite - or least favorite - people saying whatever you type. A just for fun text to speech to video app.
They give you an opportunity to have a bit of fun.Cons:
You, probably have to be careful with your scripting, so's not to offend some Snow Flake or other.
I haven't been using it long enough to qualify for commenting further.Tony Sargeant has used this product for one week.