Final answer:
Rudy from Ice Age is a fictional dinosaur character based on the appearance of an ankylosaurus, a herbivorous dinosaur known for its armored body and clubbed tail.
Step-by-step explanation:
Rudy from the Ice Age movies is a fictional dinosaur character. Although based on the appearance of a particular dinosaur called an ankylosaurus, Rudy is not a specific species of dinosaur in real life. Ankylosaurus was a herbivorous dinosaur that lived during the Late Cretaceous period, and it was known for its armored body and clubbed tail.