Dukeson Leonard "Dukey" Test is Johnny's pet dog brother and the deuteragonist of the show. Johnny got him as a birthday gift for his 11th birthday and he was later mutated by Susan and Mary, giving him the ability to speak and walk on two legs.
Vote which fictional character would naturally fit in-universe with a big-named franchise! No time-travel, no interdimensional crap, no "Pooh's Adventures", they would just exist in-universe.
