Have the Moon Mammoths conquered the Earth? They've at least staked a claim on the world of Minor League Baseball. The team ...

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 ...

John Oliver has brought his quirky humor to minor league baseball with the debut of the Erie Moon Mammoths. The team was rebranded by Oliver’s “Last Week Tonight,” show.

John Oliver, the host of HBO's "Last Week Tonight," made his visit to Erie to unveil his SeaWolves rebrand. The recap aired on July 27.

John Oliver introduced Erie, Pennsylvania to the Erie Moon Mammoths on July 19. The episode recapping his visit aired on HBO on July 27.

The Erie Seawolves were chosen by comedian John Oliver and his "Last Week Tonight" staff for a temporary rebrand as a tribute to the quirkiness of Minor League Baseball.

John Oliver prepares to throw the first pitch during a game between the Chesapeake Oyster Catchers and the Erie Moon Mammoths at UMPC Park in Erie, Pa., on Saturday, July 19, 2025.

After six weeks of research by Oliver and his staff, the Moon Mammoths were unveiled on June 29. That included the mascot named Fuzz, a purple woolly mammoth wearing a space helmet.

John Oliver and Fuss E. Mammoth, the Moon Mammoth mascot, are driven onto the field before a game between the Chesapeake Oyster Catchers and the Erie Moon Mammoths at UMPC Park in Erie, Pa., on ...

John Oliver prepares to throw the first pitch during a game between the Chesapeake Oyster Catchers and the Erie Moon Mammoths at UMPC Park in Erie, Pa., on Saturday, July 19, 2025.

John Oliver has brought his quirky humor to minor league baseball with the debut of the Erie Moon Mammoths. The team was rebranded by Oliver’s “Last Week Tonight,” show.