"Merlin" is a British fantasy-adventure drama television programme, loosely based on the Arthurian legends, following the relationship between Merlin and King Arthur. Created by Julian Jones, Jake Michie, Johnny Capps, and Julian Murphy for the BBC, the show aired for five series on BBC One from 2008 to 2012. The programme stars Colin Morgan as Merlin, Bradley James as Arthur Pendragon, Katie McGrath as Morgana Pendragon, Angel Coulby as Guinevere, Richard Wilson as Gaius, Anthony Head as Uther Pendragon, and John Hurt as the voice of the Great Dragon. The series reimagines the legend, portraying young warlock Merlin as he is sent to Camelot to protect Arthur, who is unaware of Merlin's magical abilities due to the ban on magic in Camelot. As the series progresses, Merlin and Arthur develop a close friendship, facing numerous adventures and challenges together. "Merlin" garnered critical acclaim, receiving multiple award nominations and winning the 2011 British Academy Television Award for best visual effects. The show's broadcasting rights were sold to over 180 countries, attesting to its widespread popularity.

Merlin Jay Olsen (September 15, 1940 – March 11, 2010) was an accomplished American professional football player, announcer, and actor. Throughout his illustrious 15-year career in professional football, Olsen excelled as a defensive tackle for the Los Angeles Rams in the National Football League (NFL). His remarkable talent and dedication earned him selection to the Pro Bowl an impressive 14 times, a feat matched only by a select few in NFL history. Olsen's exceptional skills and contribution to the sport were further recognized with his induction into the Pro Football Hall of Fame and the College Football Hall of Fame.Aside from his athletic prowess, Merlin Olsen showcased his versatility by venturing into the world of acting. He portrayed the character of farmer Jonathan Garvey on the popular TV series "Little House on the Prairie" and later starred in his own NBC drama, "Father Murphy." Olsen's impact extended beyond the realm of sports and entertainment, as he also demonstrated academic excellence, earning three-time academic All-American honors at Utah State University. His outstanding achievements were duly acknowledged with numerous accolades and honors, solidifying his legacy as a multifaceted and influential figure in American sports and entertainment history.

Christopher Merlin Vyvyan Holland, born in December 1945, is a British biographer and editor, renowned for his extensive research on the life of his grandfather, Oscar Wilde. As the only grandchild of Wilde and Constance Lloyd, Holland's work has delved into the intricate details of Wilde's life, leading to critical publications and insights. Notably, he co-edited The Complete Letters of Oscar Wilde and the uncensored version of Wilde's 1895 trials. Holland's meticulous approach has challenged previous biographical accounts, particularly disputing claims of Wilde's syphilis and its transmission. His literary contributions also include The Wilde Album, Oscar Wilde: A Life in Letters, and Coffee with Oscar Wilde, showcasing his profound understanding of Wilde's legacy. Beyond his scholarly pursuits, Holland has explored diverse interests, from wine to occasional writings for esteemed publications. Residing in Burgundy, France, with his second wife, Holland's dedication to preserving and illuminating Wilde's legacy continues to enrich literary discourse.

Merlin Sereld Victor Gilbert Hay, 24th Earl of Erroll, is a distinguished member of the House of Lords, serving as the chief of the Scottish clan Hay and as the hereditary Lord High Constable of Scotland. Educated at Eton College and Trinity College, Cambridge, Lord Erroll succeeded his mother as the Earl of Erroll in 1978 and his father as a baronet in 1985. His marriage to Isabelle Jacqueline Laline Astell Hohler produced two sons and two daughters. In addition to his noble responsibilities, Lord Erroll has had a multifaceted career, including military service with the Atholl Highlanders and the Royal Company of Archers, as well as a business career as a marketing and computer consultant. He is also actively involved in politics, serving as a crossbench member of the House of Lords, where he is known for speaking on matters related to cybersecurity and information technology. Lord Erroll's dedication to public service was highlighted by his role as Lord High Constable of Scotland at the coronation of King Charles III and Queen Camilla in 2023.

Merlin Dean Mann III, born on November 26, 1966, is an American writer, blogger, and podcaster known for his contributions to the world of productivity, technology, and comedy. He gained prominence for founding and writing for 43 Folders, a blog focusing on creative work and time management. Mann popularized the concept of "Inbox Zero", which became associated with the Getting Things Done productivity strategy. In the podcasting realm, he co-launched the award-winning comedy podcast, You Look Nice Today, and has been involved in various other podcasts, including Back to Work and Roderick on the Line. Mann also delved into video production with The Merlin Show and Most Days. Additionally, he is recognized for his work with Quicksilver and as the "inventor" of the Hipster PDA. Mann's personal journey with attention deficit disorder (ADD) and his experiences with ADHD treatment have been a topic of discussion on his Back to Work podcast. Currently, he resides in San Francisco, California, with his family.