Answer: pachyderm

AnswerCrossword Clue
PACHYDERMThick-skinned one
PACHYDERMSymbol of a political party.
PACHYDERMThick-skinned person.
PACHYDERMIllinois Congressman enters political action committee room with G.O.P.emblem (9)
pachyderma thick-skinned quadruped, esp an elephant, a hippopotamus, or a rhinoceros
pachyderma person who is not sensitive to criticism, ridicule, etc.
pachydermA very large mammal with thick skin, esp. an elephant, rhinoceros, or hippopotamus