David O'Reilly is an Irish filmmaker and animator known for his unique style that blends traditional animation with digital techniques. He gained recognition for his short films, which often explore themes of identity, technology, and the human experience. His work has been featured in various film festivals, earning critical acclaim for its creativity and emotional depth. In addition to his short films, O'Reilly has worked on video games and interactive media, further showcasing his versatility as a creator. He is also known for his contributions to the animated series Adventure Time, where his distinctive visual style left a lasting impact on the show's aesthetic.