Possible Clues:

• Literally, ''nose-horned''
• Play by Eugène Ionesco
• Large, thick-skinned ungulate
• Putting cash up front, top businessmen bag river beast
• Endangered animal
• Model iron horse, about ton, powerful beast
• Frightful horn is core to identify this animal
• Short beastly sort is cold with lover from the zoo
• Thick-skinned type with money vexed about retiring
• Play by Eug�ne Ionesco