Hector the Cat eight of his nine lives due to "ignorance of road safety practices". This was followed by a short instructional film. In subsequent years other characters were introduced in calendars, instructional films, and comic books including Millie, his girlfriend (1973), Uncle Tom (1974), Hector and Millie's three kittens (1975) and his space friend Ding Dong (1982). A study in 1978 found that, although children enjoyed the characters and stories, the material had a number of inadequacies. It stressed that road safety research findings and child development theory would need to be considered for any future development. The character is currently used
The Cat in the Hat he has made. But the Cat soon returns, riding a machine that picks everything up and cleans the house, delighting the fish and the children. The Cat then leaves just before their mother arrives, and the fish and the children are back where they started at the beginning of the story. As she steps in, the mother asks the children what they did while she was out, but the children are hesitant and do not answer. The story ends with the question, "What would "you" do if your mother asked "you"?" Theodor Geisel, writing as Dr. Seuss, created "The Cat