Cut eggs lengthwise into halves. Remove yolks; place in sm. bowl. Mash egg yolks with fork; mix in deviled ham, mayonnaise, mustard and pickle relish. Season to taste with salt and pepper. Spoon filling into egg halves. Garnish with olive halves to make "eyeballs." To make extra scary bloodshot "eyeballs," spoon ketchup into small resealable plastic food storage bag. Cut off very tiny corner of bag; drizzle over eggs.