The usual themes are murder, drug abuse, war, terminal illness, insanity, rape, disability, crime, and chauvinism. Let s bring another color in the genre list with blue comedy which ventures into topics of profane, indecent, and obscene nature. Audiences that dare to partake in such events are commonly exposed to and at times offended and shocked by the normal cursing and sexual imagery that accompany it. Impersonator is a common substitute tag for an impressionist particularly if there is an involvement of the individual imitating another on a lookalike basis. The most impressive facet in the routine of an impressionist comes in the proximity of the voice quality of the target person, which is commonly a famous celebrity or politician. Public speakers address the audience, whereas standup comedians make viewers laugh. When you learn standup comedy, it would be ideal if you would also learn about the usual mistakes new standup comedians and public speakers commit. Strive hard not to commit these mistakes on your own. Standup comedians believe laughter could be invoked only through a good written material. As you aim to be competitive, realize that to be as good as the current standup comedians, you have to work very hard, if not better, than those guys. As a tip, always focus on your material and on how you could deliver it in the finest and funniest way. After that, go and hire a manager for yourself. It is generally characterized by the practice of mixing things up in terms of the structure of the routines. It usually deviates from the standards of comedy for a certain era and allows for varying styles of jokes and punch lines. An alternative comedian bases his acts on various factors, one of which is observational humour. The experience may be memorable or embarrassing at the same time. What is important is that you should take note of your performance and use it as a gauge so you would know if audience would possibly welcome you. If you receive good and positive feedback from your performance, you could be sure you are set for stardom.