In a large bowl, beat the cream cheese, mayonnaise, Worcestershire sauce and pepper sauce until smooth. Stir in the cheddar cheese, bacon and onions. Shape into a 5x4x3-in. rectangle; wrap in plastic. Refrigerate until chilled.
Unwrap rectangle; place on a serving platter with a 3-in. side on top. Tint whipped cream cheese green; spread over top and sides of rectangle.
Add chopped ripe olives for hair and pepperoncinis for ears. Cut one colossal olive in half; add parsnip slices and olive halves for eyes. With black decorating gel, pipe the brow, mouth and stitches.
Break pretzel rod in half; add a colossal olive to each end. Press into sides of head for bolts. Cut a small piece from end of cucumber for a nose (save remaining cucumber for another use). Serve with vegetables.