Not only that but my inner voice can do impressions: I can have "it" do accents or imitate specific people whose voice I know well.
Also sometimes (albeit rarely) a thought might actually make me smile or even laugh out loud a little out of surprise with no external input so to speak.
Quite weird, come to think of it... do others do this too?
Yes. A lot of my job includes doing voices and impressions, replicating sounds. I've always been a mimic and had a curiosity about sound. So I guess when I'm thinking about an accent or particular voice I'll be going over knotty bits in my mind, trying to nail how to attack a sound with the musculature of the mouth and throat.
Also sometimes (albeit rarely) a thought might actually make me smile or even laugh out loud a little out of surprise with no external input so to speak.
Quite weird, come to think of it... do others do this too?