Show your villain personally doing something despicable. Have the villain do something awful to something or someone we care about. Make sure your villain has a believable motive or agenda. Avoid bargain bin Nazis. Don't have your villain talk like a cheeseball. Be careful with those smirks.
A simple moving average is customizable in that it can be calculated for a different number of time periods, simply by adding the closing price of the security for a number of time periods and then dividing this total by the number of time periods, which gives the average price of the security over the time period.
The simple moving average of a security or a commodity calculates its average price for a set length of time to the present and then each successive day, drops the price from the earliest date and adds the one from the latest day. This creates a smoothed price trend line, which is an indicator used in technical analysis.