Pimento Cheese Appetizer

1 (8 oz) pack cream cheese
1 cup mayonnaise
1 cup Swiss cheese, shredded
1 cup American cheese, shredded
1 small jar chopped pimento
1 teaspoon Worcestershire sauce
1/2 teaspoon onion powder
1/4 teaspoon hot sauce
1 tablespoon grated Parmesan cheese
1/2 teaspoon seasoned salt
1 cup chopped pecans

Soften cream cheese and combine with mayonnaise; blend until smooth. Add the cheeses and blend well. Add rest of ingredients and serve with crackers.