Break the spaghetti in small pieces and cook, then drain.
Mix together the eggs and milk, add to cooked spaghetti and spread into a greased, 9x13 pan.
Top with sauce, crumbled cooked hamburger, onion, green pepper and seasonings.
Top with black olives, mushrooms and finally the thin-sliced pepperoni.
Cover with cheese and bake at 350-degrees for 40-45 minutes.