Public speaking is the process of speaking to a group of people in a structured, deliberate manner intended to inform, influence, or entertain the listeners. It is closely allied to "presenting", although the latter has more of a commercial advertisement.

In public speaking, as in any form of communication, there are five basic elements, often expressed as "who is saying what to whom using what medium with what effects?" The purpose of public speaking can range from simply transmitting information, to motivating people to act, to simply telling a story. Good orators should be able to change the emotions of their listeners, not just inform them. Public speaking can also be considered a discourse community. Interpersonal communication anD public speaking have several components that embrace such things as motivational speaking, leadership/personal development, business, customer service, large group communication, and mass communication. Public speaking can be a powerful tool to use for purposes such as motivation, influence, persuasion, informing, translation, or simply ethos.

Barack Hussein Obama II (ⁱ/bəˈrɑːk huːˈseɪn oʊˈbɑːmə/; born August 4, 1961) is the 44th and current President of the United States. He is the first African American to hold the office. In January 2005, Obama was sworn in as a U.S. Senator in the state of Illinois. He would hold this office until November 2008, when he resigned following his victory in the 2008 presidential election.

Born in Honolulu, Hawaii, Obama is a graduate of Columbia University and Harvard Law School, where he was the president of the Harvard Law Review. He was a community organizer in Chicago before earning his law degree. He worked as a civil rights attorney in Chicago and taught constitutional law at the University of Chicago Law School from 1992 to 2004. He served three terms representing the 13th District in the Illinois Senate from 1997 to 2004.

Following an unsuccessful bid against the Democratic incumbent for a seat in the United States House of Representatives in 2000, Obama ran for the United States Senate in 2004. Several events brought him to national attention during the campaign, including his victory in the March 2004 Illinois Democratic primary for the Senate election and his keynote address at the Democratic National Convention in July 2004. He won election to the U.S. Senate in Illinois in November 2004. His presidential campaign began in February 2007, and after a close campaign in the 2008 Democratic Party presidential primaries against Hillary Rodham Clinton, he won his party's nomination. In the 2008 presidential election, he defeated Republican nominee John McCain, and was inaugurated as president on January 20, 2009. Nine months later, Obama was named the 2009 Nobel Peace Prize laureate. In April 2011, he announced that he would be running for re-election in 2012.

Anthony "Tony" Robbins (born February 29, 1960) is an American self-help author and motivational speaker. He became well known through his infomercials and self-help books, Unlimited Power: The New Science Of Personal Achievement and Awaken The Giant Within. Robbins writes about subjects such as health and energy, overcoming fears, persuasive communication, and enhancing relationships. Robbins began his career learning from many different motivational speakers, and promoted seminars for his personal mentor, Jim Rohn. He is deeply influenced by neuro-linguistic programming and a variety of philosophies.

Robbins's work has been featured in major media including Time, Newsweek, Fortune, Forbes, Life, GQ, Vanity Fair, Business Week, Tycoon and Success magazines, the CBS Evening News, NBC News, ABC's Prime Time Live, Fox News, CNN and A&E as well as newspapers, radio programs, and Internet media worldwide. Robbins has been mentioned or featured in 15 major motion pictures, including a cameo role a romantic comedy film Shallow Hal, starring Gwyneth Paltrow, Jack Black, and Jason Alexander. In 2007, he was named to Forbes magazine's "Celebrity 100" list.

The following is a complete list of all characters that appear or have appeared on the TVNZ soap opera Shortland Street. Included in the list are current and past core, recurring and guest characters.

Characters which are currently active are in blue, original characters (which are non-active) are in yellow, and non-active characters are in white.

Longest running characters

Longest gap between appearances