[jegmeister]

I didn't watch most of the first seven series but from what I've heard:

Nasty Nick, Brian Dowling, Jon Tickle, Science, Makosi, Victor, Shell, Michelle Bass, Grace, Nikki Grahame, Brian Belo (yeah - I know hes an idiot but he was a great HM), the twins, Sara, Rex, Luke, Freddie, Marcus, Noirin, Bea