Add the cream cheese, 1/4 cup of the shredded mozzarella, mayonnaise, sour cream, crab, Parmesan, lemon juice, garlic, onions, worcestershire sauce, salt, and pepper to a mixing bowl. Using a hand mixer, whip them together until the mixture's smooth & creamy.
1 8 oz pkg cream cheese, 1/3 cup mayonnaise, 1/4 cup sour cream, 4-5 oz flake style imitation crab, 1/2 cup shredded Parmesan cheese, 1 1/4 tsp lemon juice, 2 cloves garlic, 3 green onions, 1 tsp Worcestershire sauce, salt and pepper, 1 1/4 cups shredded mozzarella cheese