Quirk or Quirks is having unconventional beliefs or manner, for example mispronouncing, in-jokes, clumsy and ditsy, and may refer to: The Quirk, a literary magazine "Quirks", a song by Ultravox! from the album Ha!-Ha!-Ha! 18376 Quirk, an asteroid Quirk Books, a Pennsylvania-based publishing company Quirks mode, a web browser technique for maintaining backwards compatibility Quirks (board game) Quirks, the superpower system in the anime and manga My Hero Academia People with the surname John Quirk (disambiguation) Billy Quirk (1873–1926), American silent film actor Mary Quirk (1880–1952), Australian politician Robert E. Quirk (1918–2009), American historian Randolph Quirk (1920–2017), British linguist and life peer Lawrence J. Quirk (1923–2014), American author, reporter, and film historian Ed Quirk (American football) (1925–1962), American football fullback in the National Football League John Shirley-Quirk (1931–2014), British bass-baritone singer Art Quirk (1938–2014), American Major League Baseball player Bryan Quirk (born 1946), Australian rules footballer Jamie Quirk (born 1954), American Major League Baseball player Margaret Quirk (born 1957), Minister for Corrective Services for the Australian Labor Party Wendy Quirk (born 1959), Canadian Olympic swimmer Les Quirk (born 1965), British Rugby League player Brian Quirk (born 1968), Democratic member of the Iowa House of Representatives Moira Quirk (born 1968), English actress, voice actress, comedian and referee of Nickelodeon GUTS Daniel Quirk (1982–2005), American professional wrestler Graham Quirk (b. 1958), Australian politician Jim Quirk (born 1940s), American football official in the National Football League Sharon Quirk-Silva (born 1962), American politician David Quirk (born 1981), Australian comedian and actor Other uses Cool (aesthetic) Eccentricity (behavior) Goofball comedy See also Quirke (disambiguation), Irish surname Quirks & Quarks, a Canadian weekly science news program Quark (disambiguation)