Wait, you mean its like that for everyone? I had no idea!
jesus fuck, this whole time I thought it was only me who saw that for some weird reason. Shows you how much I know about tech stuff.
Anyways, yes, I'd be in favour of changing it. At the very least, I'd be in favour of changing it to some avatar I currently use (be it Twain or Bill) or to something suitably RPG-ish (as long as it didn't seem derivative of RPG.net or other sites.
RPGPundit