Yami Bakura: http://www.ebay.com/itm/Yu-Gi-Oh-Yam...em5aea39 2175
Yami Marik: http://www.ebay.com/itm/Yu-Gi-Oh-Yam...em5ae561 381f
You could also attempt Malinda-chan's tutorial on how to make gravity defying spikes:
And a Malinda in Ash Blonde might do the trick (even though I had no luck when I tried the usual spray and blow dryer method) :http://arda-wigs.com/products/malinda
As for Yami Bakura maybe a Jareth in Silver might work:
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