Best costumes from NFL fans on Halloween weekend

It's Halloween weekend in the NFL and aside from some frightening sights on the field, there were some off the field as well.

A Buffalo Bills fan and Oakland Raiders backer bonded over Elvis Presley.

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One Cincinnati Bengals fan looked like he was just brought back from the dead.

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More fan-bonding between Bengals and Indianapolis Colts supporters.

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A Houston Texans fan went with the Lucha Libre look.

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This Philadelphia Eagles fan's costume is self-explanatory.

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The Blues Brothers traveled to London, England to catch the Minnesota Vikings.

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New Orleans Saints fans seem to be dressed like this every week.

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Saints receiver Willie Snead got into the spirit as well.

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What does this have to do with the Seahawks, exactly?