The Adventure of Sherlock Holmes' Smarter Brother is a 1075 movie comedy featuring Gene Wilder, adding an interesting twist to Conan Doyle's already explored idea of introducing a smarter kin (Mycroft) to the most gifted of logical thinkers. The new character, Sigerson Holmes, furthermore covets jealousy for whom he calls "Sheer luck".
The mythical Kangaroo scene is how I like to think Gene wilder made his entrance to paradise.