A boy is a young male human, usually child or adolescent. When he becomes an adult he's described as a man. The most apparent thing that differentiates a boy from a girl is that a boy typically has a penis while girls do not. However some intersex children with ambiguous genitals, and biologically female transgender children, may also be classified or self-identify as a "boy".

The term "boy" is primarily used to indicate biological sex distinctions, cultural gender role distinctions or both. The latter most commonly applies to adult men, either considered in some way immature or inferior, in a position associated with aspects of boyhood, or even without such boyish connotation as age-indiscriminate synonym. The term can be joined with a variety of other words to form these gender-related labels as compound words.

The word "boy" comes from Middle English boi, boye ("boy, servant"), related to other Germanic words for boy, namely East Frisian boi ("boy, young man") and West Frisian boai ("boy"). Though the exact etymology is obscure, the English and Frisian forms probably derive from an earlier Anglo-Frisian *bō-ja ("little brother"), a diminutive of the Germanic root *bō- ("brother, male relation"), from Proto-Indo-European *bhā-, *bhāt- ("father, brother"). The root is also found in Flemish boe ("brother"), Norwegian dialectal boa ("brother"), and, through a reduplicated variant *bō-bō-, in Old Norse bófi, Dutch boef "(criminal) knave, rogue", German Bube ("knave, rogue, boy"). Furthermore, the word may be related to Bōia, an Anglo-Saxon personal name.

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Tatyana Marisol Ali (born January 24, 1979) is an American actress and R&B singer, best known for her childhood role as Ashley Banks on the NBC sitcom The Fresh Prince of Bel-Air. Currently, she stars as Tyana Jones on the TV One original sitcom Love That Girl!, and has a recurring role as Roxanne on the CBS soap opera The Young and the Restless.

By the age of six, Ali had begun her acting career. She was a regular child performer on Sesame Street starting in 1985, even appearing with Herbie Hancock in a musical number. She also appeared twice on Star Search.

She made her breakthrough when she was cast as Ashley Banks for the television sitcom The Fresh Prince of Bel-Air in 1990. She sang on various episodes of the show, including a heavily altered Aretha Franklin's "Respect" and the original song, "Make Up Your Mind" produced by Robert Jerald of N'Spyre Music Productions. Will Smith asked her if she seriously considered pursuing a musical career. Despite her singing ability, she concentrated on her acting career on The Fresh Prince of Bel-Air the next few years.

Willard Christopher "Will" Smith, Jr. (born September 25, 1968), also known by his stage name The Fresh Prince, is an American actor, producer, and rapper. He has enjoyed success in television, film and music. In April 2007, Newsweek called him the most powerful actor in Hollywood. Smith has been nominated for four Golden Globe Awards, two Academy Awards, and has won multiple Grammy Awards.

In the late 1980s, Smith achieved modest fame as a rapper under the name The Fresh Prince. In 1990, his popularity increased dramatically when he starred in the popular television series The Fresh Prince of Bel-Air. The show ran for nearly six years (1990–1996) on NBC and has been syndicated consistently on various networks since then. In the mid-1990s, Smith moved from television to film, and ultimately starred in numerous blockbuster films. He is the only actor to have eight consecutive films gross over $100 million in the domestic box office and the only one to have eight consecutive films in which he starred open at #1 spot in the domestic box office tally.

Brandon James Routh (born October 9, 1979) is an American actor and former fashion model. He grew up in Iowa before moving to Los Angeles to pursue an acting career, and subsequently appeared on multiple television series throughout the early 2000s. In 2006, he gained greater recognition for his role as the titular hero of the 2006 film Superman Returns. He also had a recurring role in the TV series Chuck, as Daniel Shaw. Following this, he has had several supporting roles in television and film. In 2011, he portrayed the eponymous protagonist of another comic book film, Dylan Dog: Dead of Night.

Routh, the third of four children, was born in Norwalk, Iowa, on October 9, 1979, the son of Catherine (née Lear), a teacher, and Ronald Ray Routh, a carpenter. Routh's family, which is Methodist, has German, French, English, and Native American ancestry. Routh grew up in Norwalk, approximately 100 miles (160 km) south of Woolstock, the hometown of George Reeves, the first actor to play Superman on television. During his childhood, Routh thought a full-time acting career was unrealistic, citing his small-town background. In his spare time, he played the trumpet and the piano. Routh attended Norwalk High School, where he played sports and participated in music and theatre. He has described himself as a "momma's boy" and not "the most popular kid" during his school years. Routh has also noted that during his younger years, he was fond of the Superman films and comic books.