Mammoth
From Jenny Everywhere Wiki
Mammoths were a species of huge prehistoric animals.
One universe's Jenny, who often dreamed of adventures her other selves were having, once dreamt of a Jenny who was riding “her mammoth” through the steppe. In what may or may not have been the same life, she also “charged the Mongol hordes” astride the same. (PROSE: The Genesis of Jenny Everywhere)
Colonel-028 of the Crew of the Copper-Colored Cupids once boasted of having taken on a mammothsby himself. (COMIC: Scaled-Up Soldier)