Decorate cupcakes. Using spatula and red, green, purple, orange and brown icing, ice cupcakes smooth. Prepare decorating bag with tip 6 and white icing. Outline ghost shape; fill in and smooth with spatula. Reserve remaining icing.
Prepare four decorating bags with tip 3. Fill separately with small amounts green, black, white and red icing. Prepare three decorating bags with tip 5. Fill separately with remaining red, green and black icing.
Devil Cupcakes: Using black icing with tip 3, pipe facial features.
Ghost Cupcakes: Using white icing with tip 6, pipe eyes. Using black icing with tip 3, pipe facial features.
Pumpkin Cupcakes: Using green icing with tip 5, pipe stems. Using black icing with tip 3, pipe facial features.
Frankenstein Cupcakes: Using black icing with tip 5, pipe hair. Using green icing with tip 3, pipe scar. Using white icing with tip 6, pipe mouth. Using black icing with tip 3, pipe facial features and teeth.
Dracula Cupcakes: Using black icing with tip 5, pipe hair. Using black icing with tip 3, pipe facial features. Using red icing with tip 3, pipe heart eyes. Using white icing with tip 3, pipe teeth.
Zombie Cupcakes: Using red icing with tip 5, pipe blood. Using black icing with tip 3, pipe facial features.