 Following , in 1875 , was the Knopp Trilogy , about the life of Tobias Knopp : Adventures of a Bachelor ( <unk> <unk> <unk> ) , Mr. and Mrs. Knopp ( Herr und <unk> Knopp ) ( 1876 ) , and " Julie " ( <unk> ) ( 1877 ) . The antagonists of the trilogy are not pairs of <unk> as with Max and Moritz or Jack <unk> , Bird of Evil ( Hans <unk> , der <unk> ) . Without pathos , Busch makes Knopp become aware of his mortality : 
