David O'Reilly is an Irish artist and animator known for his unique approach to digital art and animation. He gained recognition for his work in video games, particularly for creating visually striking and conceptually rich experiences. His projects often blend humor with philosophical themes, making them both entertaining and thought-provoking. O'Reilly has collaborated with various artists and studios, contributing to notable works such as the game Mountain and the animated short film Please Say Something. His distinctive style often features simple geometric shapes and vibrant colors, which have influenced a new generation of digital creators.