Claim: Cosmo the Cougar (derived from Cosmos), first seen on 15 October 1953, is the official mascot of Brigham Young University's (BYU) athletic teams that was bought for $73 and appears at almost all sporting events, wearing the uniform of the team..
Evidence: The name Cosmo derives from the word "cosmopolitan" and was chosen because BYU had recently been selected as a Cosmopolitan school.