Complex sentence: No one in the audience knew who contestant Daws Butler was until he began speaking in Huckleberry Hound's voice; he and his partner went on to win the top prize of $10,000.
Split into simpler sentences: No one in the audience knew who contestant Daws Butler was until he began speaking in Huckleberry Hound's voice. He and his partner went on to win the top prize of $10,000.