Are you fucking kidding me? General and Colonel both have deeper voices than me. 
Yes I think I put that wrongly. With apologies to our resident heterosexually-challenged members: He sounds like a fag. Or at least a very soft-spoken dude with a glimpse of asthma.
I always figured that Zero’s lack of emotion was because he was a robot programmed to have emotion, but he hadn’t ever learned how to properly express it. Or something like that. That or [zero looks like a girl LOLZ!1!1!1!1!1! joke here]
OHHHH!!!111
You better be happy Zero doesn’t read this forum too much. He’d be pissed if he heard you say he looked like a girl. (j/k)
Hmm. I had forgetten that Zero wasn’t a reploid.