I'm personally fine with the current tesla head. He came off as a bit prudish and self superior so the pursed lips expression reflects that nicely, as if he wants to interject and tell someone their doing something wrong but is biting his tongue because he doesn't like getting those blank looks from everyone else and then having to waste time restating in dumber slang for the mass degenerates.
at least when he talks nobody shouts 'shut up perceptor!' Dverytime, unlike another certain fast talkingI have nothing nothing nothing important to say to anbodyanybodyanybody, bot.