The first one is crocheted, not knit ... can't help ya there.
Ravelry--*the* fibre crafts social networking site--has a few Cthulu-based projects on file, like this crocheted balaclava:
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The knitting pattern for this one is available for download through Ravelry for a small fee (3 quid):
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Personally, I prefer the Dracoclava:
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