In a large bowl, mix together vanilla wafer cookies and cream cheese until combined. Roll the mixture into balls and set onto a plate. Freeze for at least 20-minutes.
Place the chocolate chips into a microwave-safe bowl, and heat in the microwave in 30-second intervals, stirring well until it is fully melted and smooth.
Fully coat each truffle in the chocolate and set onto a plate. Decorate with candy eyes, pretzels, and M&Ms. Let sit until the chocolate has completely set.