Eugene Otto is a fictional character from the animated film series The Land Before Time. He is known for his friendly and adventurous personality, often exploring the prehistoric world alongside his friends. Eugene is characterized by his curiosity and willingness to help others, making him a beloved figure among fans of the series. In the films, Eugene is depicted as a young dinosaur, specifically a triceratops. His interactions with other characters, such as Littlefoot and Ducky, highlight themes of friendship and teamwork. The series emphasizes the importance of working together to overcome challenges in their journey through the Great Valley.