Urchin or urcheon is the Middle English term for "hedgehog". It may refer to: Common meanings Street children, homeless children Sea urchins, spiny sea creatures Arts and entertainment Urchin (band), a band led by Dave Murray and Adrian Smith of Iron Maiden Urchin (album), a 1998 album by Inga Liljeström Urchin (film), a 2007 film about a homeless boy living underground, by John Harlacher Urchin, the squirrel protagonist in The Mistmantle Chronicles book series Urchin, an enemy in the 1990 video game Super Mario World Urchin (Dungeons & Dragons), a type of monster in the Dungeons & Dragons role-playing game "Urchin", a song by Arca from Arca Other uses HMS Urchin, five ships of the British Royal Navy Urchin Software Corporation, a US web analytics company owned by Google Urchin (software), a series of web analytics developed by the Urchin Software Corporation (now Google Analytics) Urchin (detonator), code name for the device that triggered the detonation of the earliest plutonium atomic bombs The Urchins, English hooligan firm associated with Liverpool F.C. Urchin Rock, off the coast of Graham Land, Antarctica See also Sea Urchin (disambiguation)