Rocking his own new jersey and stepping onto a fake home plate, Oliver announced the SeaWolves’ new alternate identity on Sunday’s episode. He was joined by a Moon Mammoth mascot, Fuzz E. Mammoth, an electric purple take on the prehistoric creature wearing an astronaut helmet.

The Erie SeaWolves are receiving a new name -- at least for certain games later this season. The team is being rebranded as the Moon Mammoths after winning a contest held by comedian John Oliver.

The Tigers' Double-A team, the Erie SeaWolves, won John Oliver's competition to rebrand and now have a new alt identity as the Erie Moon Mammoths.