In a bowl, combine mayonnaise, ham, cheese and green onion. Spread mixture onto the cut sides of bagel halves. Arrange bagels on a broiler pan. Broil for 5 minutes, until cheese is melted and bubbly. Add cut pieces of green pepper for eyes and a bacon strip for mouth.
Healthy food can be disguised as part of the party when you add garnishes like sliced apples, carrot strips, sweet peppers and other fresh veggies.