Stu Pickles is the father of Tommy and Dil, the younger brother of Drew, and the husband of Didi Pickles. He is described as an absent-minded toy inventor. Stu is a long-time inventor of various children's toys. The inspiration for this occupation is his infant son, whom he thought would enjoy playing with new toys created by his father. However, malfunctions usually occur with his inventions, and when his inventions do not malfunction, they scare the kids. Stu is a fun-filled kid in an adult body. His favorite pastime is inventing. Aside from inventing and playing with his sons, he's mostly seen arguing with his older brother, Drew.