You are misguided, there is a whole wealth of theoretical barriers preventing transforming the timbre of a voice (or anything) into something completely different purely though editing a single recorded sound. You can pitch-shift based on formants, you can filter out specific frequencies with something like Audiosculpt, but you can't do what you are suggesting out of a purely fictional/hollywood context.
Even in a hypothetical sense, just imagine for a second the implications of being able to transform your voice to sound like someone elses if it were possible. If you can't think of one good reason why it'd be a bad idea in 5 seconds then you might need a new brain.
Even in a hypothetical sense, just imagine for a second the implications of being able to transform your voice to sound like someone elses if it were possible. If you can't think of one good reason why it'd be a bad idea in 5 seconds then you might need a new brain.