noun; the official Korean fanclub for TVXQ, named such because tracing the letters TVfXQ on a QWERTY keyboard creates the Cassiopeia constellation. Their official fan color is Pearl Red. Cassiopeia gained notoriety twice in 2008; once for participating in the CARTEL for Dream Concert and again for being awarded the Guinness World Record for Largest Fan Club with 800,000 official members (in the Korean branch only). Their Japanese equivalent is named Bigeast.
Also known as: Cassie, Kang, Ka-a, Related terms: TVXQ, JYJ, SM Entertainment, Cartel, CassiElf