Amanda Palmer
First of all, Amanda Palmer is a no-holds-barred, balls-to-the-wall badass. Make sure to check out her Ukulele Anthem, a brilliant manifesto on the glories of the humble uke. Seriously awesome.
Also recommended by Nigel Campbell, Evelyn Evelyn, Dreamer and The Smoke Rings and 20 others, Cassandra Oakdown, The Mean Cats, Arkanjello, The Lady anoNYMous, This Temple Eden, Sabrina Chap, Tea and the Ghosts, Ange Stella, Abagail Grayce, 93 Kings, Jonathan Rusk, annemarie mayo, The Cavalcade of Sin, Hungry Lucy, Ms. Fridrich, Liar Machine, Lara Klett, Sharfla, Jolene's Leftovers and ¥@T!M!T0 F@W@!!.