Todd appears in all Wayside episodes, and in all the books too.
Todd wears a blue shirt with white sleeves underneath, green pants and red shoes. In the episode Rat in Shining Armor,Todd wear a car dashboard costume and for sport day he wear a sport suit and black shorts
In the books he wears a green shirt. In the chapter A Story That Isn’t About Socks he was wearing white shorts, a Hawaiian shirt and sunglasses.