Wallace and Grom·it /ˌwɒlɪs ən ˈɡrɒmɪt $ ˌwɑːlɪs ən ˈɡrɑː-/ trademark two characters in British cartoon films made by Nick Park, which are extremely popular with both adults and children. Wallace is a man who is nice but rather stupid, who loves cheese, and who is always inventing new machines that do not work very well. Gromit, his dog, is extremely intelligent, and can read, fly a plane, ride a motorcycle, and together they catch criminals.