Oliver and his comedy writers went to work, dug deep and found the story of George Moon, who discovered a 12,000-year-old Mammoth fossil in Erie County in the summer of 1991. From there, it wasn't a stretch for them to come up with the new team name.

On Saturday night, the comedian and host of HBO's “Last Week Tonight” saw his latest crazy creation set out into the world as the Erie Moon Mammoths made their debut in front of a record crowd of 7,070 at UPMC Park.

The Moon Mammoths are here. In a matchup of two of the most widely discussed alternate identities of the year, the Erie Moon Mammoths -- the Minor League team conceived and designed by the late-night