YOU SAID:

this guy is playing cuphead

INTO JAPANESE

この男はカップヘッドを演奏している

BACK INTO ENGLISH

This guy is playing a cup head

INTO JAPANESE

この男はカップの頭を演奏している

BACK INTO ENGLISH

This guy is playing the head of a cup

INTO JAPANESE

この男はカップの頭を演奏しています

BACK INTO ENGLISH

This guy is playing the head of a cup