All articles starting with D
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Duela Dent
Duela Dent, aka Joker's Daughter and Harlequin, is a DC Comics character created by Bob Rozakis and Irv Novick, debuting in Batman Family #6 (1976) as a Teen Titan who claimed to be Two-Face's daughter.
Dueling Banjos
Dueling Banjos is a bluegrass instrumental written by Arthur "Guitar Boogie" Smith as "Feudin' Banjos", recorded 1955 with Don Reno; famous from the 1972 film Deliverance via Weissberg and Mandell, Billboard No. 2, 1974 Grammy, won credit lawsuit.
Dueling network architectures
The dueling network architecture is a deep reinforcement learning design introduced by Google DeepMind in 2015, splitting a Q-network into value and advantage streams that are combined into action values.
Dueling scar
The dueling scar, known in German as Schmiss or Renommierschmiss, is a facial scar earned in the Mensur, ritual academic fencing between members of German student fraternities.
Duelo
Duelo, also billed as Grupo Duelo, is a norteño band from Roma, Texas, founded in 1996 by Óscar Iván Treviño and Dimas López, known for Billboard chart-toppers and Gold and Platinum albums.
Duende
Duende: Spanish word for a goblin-like household spirit of Iberian folklore (from dueño de casa, 'owner of the house'), and, via Lorca's 1933 lecture, a term for mysterious authenticity in flamenco; spread to Latin America and the Philippines as duwende.
Duende (art)
Duende (art): the mysterious, ineffable emotional power in performance, defined aesthetically by Federico García Lorca's 1933 Buenos Aires lecture "Juego y teoría del duende", rooted in Andalusian flamenco and the expression "tener duende", distinct from the folkloric household spirit.
Duene
Duene is a two-row mancala-style board game of the Ewe people of Togo and Ghana, played on a 2x6 board with two stores and 48 counters, with four-counter hole captures and an eight-counter endgame, documented by Schönhärl in 1909.
Duesenberg
Duesenberg was an American luxury automobile built in Indianapolis from 1921 to 1937 by the Duesenberg brothers, whose Model J was advertised as the finest car in the United States.
Duesenberg Model J
The Duesenberg Model J, or Duesenberg J, is an American ultra-luxury car built in Indianapolis from 1928 to 1937, billed as the world's finest motor car.
Duet (1994 film)
Duet (டூயட்) is a 1994 Tamil romantic musical film directed by K. Balachander, starring Prabhu, Ramesh Aravind, Meenakshi Seshadri, and Prakash Raj in his Tamil debut, with a saxophone-centered A. R. Rahman score, inspired by Cyrano de Bergerac.
Duet (The Flash)
Duet is The Flash season 3 episode 17, a March 21, 2017 CW musical crossover with Supergirl in which Darren Criss's Music Meister traps Barry and Kara in a 1950s movie-musical dream world; it features original songs by Rachel Bloom and Pasek and Paul.
Duet (TV series)
Duet is a Fox romantic-comedy sitcom (April 19, 1987–May 1989, 54 episodes, 3 seasons) created by Ruth Bennett and Susan Seeger, starring Matthew Laurance and Mary Page Keller; revamped into Open House in 1989.
Duet Night Abyss
Duet Night Abyss (デュエットナイトアビス) is a free-to-play 3D action RPG by Pan Studio/Hero Games, launched October 28, 2025 on PC, iOS, Android. Unusually for the genre, it removed character/weapon gacha and stamina before launch, monetizing through cosmetics only.
Duet Riton
Duet Riton (Дует Ритон) is a Bulgarian pop duo of Katya Mihaylova and Zdravko Zhelyazkov, who met at the Bulgarian State Conservatory in 1975 and have performed together since 1977, selling hundreds of thousands of albums.
Dufek Massif
Dufek Massif, in the northern Pensacola Mountains of East Antarctica, exposes the lower 1.8 km of the Jurassic Dufek layered gabbro intrusion, discovered in 1957 during IGY exploration and largely ice-covered.
Duff Beer
Duff Beer is the fictional beer brand of The Simpsons, Homer Simpson's drink of choice, created in 1989 and named by writer Jay Kogen. It sparked trademark litigation, and licensed 5% lager versions are sold in Chile and elsewhere.
Duff Gibson
Duff Gibson, born 1966 in Vaughan, Ontario, is a Canadian skeleton racer who won Olympic gold at Turin 2006 at age 39, the oldest individual Winter Olympic champion.
Duff Goldman
Duff Goldman (Jeffrey Adam Goldman, born 1974), American pastry chef and Food Network personality; founder of Charm City Cakes in Baltimore (2002), host of Ace of Cakes (2006, 10 seasons), judge of the Baking Championship series, author of three cookbooks.
Duff Gordon, Lucie, Lady
Lucie, Lady Duff Gordon (1821–1869) was a British travel writer and translator whose Letters from Egypt made her famous; she settled in Luxor, where Egyptians called her Sitt el Kebeer.
Duff massacre
The Duff massacre was the killing of three London Missionary Society missionaries on Tongatapu, Tonga, in 1799 during civil war, ending the first Christian mission in Western Polynesia.
Duff McKagan
Duff McKagan (Michael McKagan) is an American musician and bassist, joining Guns N' Roses in 1985, and is a founding member of Velvet Revolver and Loaded.
Duff's device
Duff's device is a C programming construction, devised by Tom Duff at Lucasfilm in 1983, that implements loop unrolling by interleaving a switch statement with a do-while loop.
Duffel bag
A duffel bag, also called a seabag or kit bag, is a large cylindrical soft bag named for duffel cloth from Duffel, Belgium, long used by the military.
Duffer brothers
Duffer brothers: Matt and Ross Duffer, American twin filmmakers, creators and showrunners of Netflix's Stranger Things (2016–2026); later signed a four-year Paramount deal with an untitled film set for November 3, 2028.
Duffin–Schaeffer conjecture
The Duffin–Schaeffer conjecture, posed by R. J. Duffin and A. C. Schaeffer in 1941, gave a criterion for when almost every real number is approximated infinitely often by reduced fractions.
Duffing equation
The Duffing equation is a nonlinear second-order differential equation modeling an oscillator with a cubic restoring force, published by Georg Duffing in 1918 and a classical example of chaos.
Duffy (1968 film)
Duffy is a 1968 comedy crime caper directed by Robert Parrish, starring James Coburn, James Mason, James Fox, Susannah York, and John Alderton, about half-brothers hiring an adventurer to hijack their father's $2,000,000 shipment from Tangiers to France; an early Donald Cammell screenplay, panned by critics.
Duffy (singer)
Duffy (Aimée Anne Duffy, born 1984) is a Welsh soul-pop singer from Nefyn, Gwynedd, whose 2008 debut Rockferry and hit "Mercy" won a Grammy and three Brit Awards; she withdrew after a 2010s kidnapping and returned to the stage in 2026.
DuFief, Sierra
DuFief, Sierra (Fief Mountains) is a 1,415 m mountain group on SW Wiencke Island, Palmer Archipelago, Antarctica, named for Belgian geographer Jean du Fief and mapped by the 1898 Belgian Antarctic Expedition.