1. Start every sentence with "Fool!". "Fool! I take coffee black, not au lait! "
2.Say "shall" instead "will". "Fool! I shall prevail! "
Never, ever, explain your plan to the hero. Just shoot him in the face. Double tap for preference.
Your ultimate weapon should never have any kind of self-destruct mechanism.
Your bases ventilation shafts should be too small to crawl thru. If they must be larger install motion detectors and have a trusted minion monitor them at all times.
pay and treat minions well to keep them from hating you.
Kill your father.
"Yes, yes, I killed your father. What is it with you women anyway? I killed my father too, but you don't hear me whining about it!"-- M. Bison