sentences:  He was among the villains in the ambush of the JSA led by Tapeworm.Mammoth later appeared as a member of the revived Fearsome Five when his sister breaks him out of jail, while he was trying to read to increase his intelligence, though, this only gives him words that do not fit the sentences they are in.His new-found "intelligence" does not quell his need to kill others, as he frequently suggests killing Wonder Girl while they have her bound in her own lasso.