just a few of mine because lazy Paparazzi: Dresses like a marginally sane Lady Gaga with a day job.
4chan: Allison looks like Hot Topic, Claire's, and a thrift store threw up. Chris looks like a basement-dwelling nerd: geeky t-shirts, the odd collared shirt that still manages to look painfully casual, and jeans.
Joan of Arc: Imagine very lazy drag. She doesn't actually try to live as a guy, but she wears almost exclusively men's or unisex clothing, usually ridiculously casual-looking and just this side of androgynous.
Tea: As Rose, she dresses like a complete and utter hippie. Normally, though, he's basically Bill Nighy- an older, slightly batty British man whose style reflects that, and is a businessman who also dresses as such, but his give-a-damn busted a long time ago. So in a mildly stuffy British sense, he's the lady in red when everybody else is wearing tan.