Dog
The domestic dog has maintained its position in human society for approximately forty thousand years, adapting to every conceivable human environment from arctic tundra to equatorial desert. This extraordinary temporal persistence demonstrates remarkable evolutionary plasticity. Individual specimens typically survive twelve to fifteen years, yet the species' cultural presence regenerates continuously through successive generations, creating an unbroken chain of canine companionship stretching back to the Pleistocene epoch.
Mickey Mouse
Mickey Mouse's tenure of ninety-seven years represents a mere fraction of canine historical presence, yet his preservation in perpetuity is virtually guaranteed through intellectual property protection. Unlike biological entities, animated characters suffer no cellular degradation. Disney's legal apparatus ensures the character cannot enter public domain through continuous copyright extension advocacy. The mouse exists in a state of permanent commercial preservation, immune to the biological constraints that govern living creatures.