Pianist Zombie (PvZ: AS)

Pianist Zombie is a zombie and a boss in Wild West. Its music can damage plants. When it is a boss, he has 7 stages of health (actually, it has 8 stages of health, but the game shows only 7) and takes four turns to activate his boss skill, which is playing the piano, which is now flying and its music will do serious damage to plants 3 times.