Complex sentence: Between 1985 and 1986, Bill Leeb performed with Skinny Puppy under the name Wilhelm Schroeder, a combination of his first name and the name of the Peanuts character and was meant as a joke.
Split into simpler sentences: Between 1985 and 1986, Bill Leeb supported Skinny Puppy under the name Wilhelm Schroeder. Wilhelm is Leeb's real first name while Schroeder stems from the Peanuts character of the same name and was meant as a joke.