In a large saucepan, cook turkey or beef over medium heat until no longer pink. Drain.
Stir in the ketchup, water, Worcestershire sauce, brown sugar, mustard, garlic powder, onion powder, and salt.
Bring the mixture to a boil. Reduce heat, cover and simmer for 15-20 minutes.
Place your Sloppy Joe Sliders on a platter.
Cut the tips off of the black olives and cut the tomato in half. Place the tomato half on the reindeer in the front (Rudolph).
Place the black olive tips on the other rolls for reindeer noses using a toothpick to secure if needed.
Cut out small circles from the white cheese slice using a round icing tip. Place them on the front of the sliders for eyes. Cut raisins in half for the pupils. Break the pretzel twists in half and place them in the top sides for the antlers.