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.

John Oliver was in Erie, Pennsylvania over the weekend to rebrand the city's minor league baseball to the Moon Mammoths. The Last Week Tonight host revealed in May that he would help bring a new look to the Detroit Tigers Double-A affiliate team,

“I’m just as shocked as everyone,” Jimmy Fallon shared on Instagram on July 18.