The term 'Grizzlies or Bears' refers to two professional basketball teams in the National Basketball Association (NBA). The Memphis Grizzlies, based in Memphis, Tennessee, and the Chicago Bulls, based in Chicago, Illinois, are both members of the NBA's Western Conference. The Grizzlies have been in the NBA since 2001, while the Bulls have been in the league since 1966. Both teams have had success in the past, with the Grizzlies making the playoffs in six of their first nine seasons and the Bulls winning six championships.