47. Madvillain: 'Madvillainy' (2004) - Enigmatic British born rapper MF Doom likes to keep his work secretive and collaborative. When in 2004 he teamed up with Madlib for the album 'Madvillainy' a suitable powerful cover was in order. Donning his trademark mask, Doom (MF stands for Metal Face) posed for a picture that looks somewhere between medieval warrior and a Stargate character. Doom is rumoured to be working with Madlib again at the moment so keep you eyes peeled for more mask action in 2010.
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