4 marshmallows
3 1/2 cups chocolate syrup
Melt marshmallows in large bowl until marshmallows are melted. Mix marshmallows and chocolate syrup in small bowl until completely coated. Sprinkle marshmallow mixture over chocolate alligator and chocolate candy bars. Pour chocolate filling over marshmallow mixture in prepared pan. Chill approximately 2 hours before removing bars from pans.
Remove bars from pans. Spread marshmallow mixture on top and sides of bars. Allow bars to cool completely before cutting into squares. Cut into squares using a sharp knife.