"Bub the Zombie" is a fictional character from the 1985 horror film "Day of the Dead," directed by George A. Romero. Bub is a unique zombie who exhibits signs of intelligence and memory, distinguishing him from typical mindless zombies. He is portrayed as a tragic figure, showcasing a blend of horror and empathy. In the film, Bub is studied by scientists trying to understand the zombie outbreak. He demonstrates behaviors such as recognizing objects and responding to commands, which raises questions about the nature of humanity and the potential for zombies to retain some aspects of their former selves.