Remember, remember, the fifth of November, Gunpowder Treason and Plot.

Brian Chan is a origami hobbyist who posted numerous of his designs on Flikr. Please go check them out, as he is a very talented individual with a style of capturing form rather than detail.
Brian Chan’s Flikr: http://www.flickr.com/photos/chosetec/

Instruction for the Panther Mask can be found on p.111 of Advanced Origami: An Artist’s Guide to Performances in Paper, and Guy Fawkes can be found online for free. Happy folding!