A comedian needs to have his own filters, needs to know his audience, how far he can push things.
As humans we like to laugh at our fears, we like to whistle in the dark.
What I do for a living is whimsical and fun and ridiculous. I'm supposed to make people laugh. We all have that child in us. For many people, that child gets pushed into a corner. But if you want to be creative, that little kid can never go away.
The magic in performing as an entertaining ventriloquist happens when the characters come to life and the interaction between the separate personalities on stage becomes 'real.' Then don't forget that the act has to be funny, and to me, being funny and entertaining any given audience is more important than anything.
I'm a pretty good ventriloquist, but it's the entertainment value and the laughs that keep people sitting there and wanting more.
But the mechanics of learning to 'throw your voice' are pretty simple. Anyone with a tongue, an upper palate, teeth, and a normal speaking voice can learn ventriloquism.
