Image Item No. Description  3626cpb0927  Minifigure, Head Alien Metal Mask with Eye Holes, Mouth Slit, and Rivets Pattern - Hollow Stud Catalog: Parts: Minifigure, Head  3626cpb0896  Minifigure, Head Alien with Robot Magenta Eyes and Mouth and Metal Plates Pattern - Hollow Stud Catalog: Parts: Minifigure, Head  3626cpb0893  Minifigure, Head Dual Sided Alien Chima Wolf with Orange Eye, Dark Gray Face and Red Scars, Closed Mouth / Open Mouth Pattern (Winzar) - Hollow Stud Catalog: Parts: Minifigure, Head  3626cpb0864  Minifigure, Head Dual Sided Alien Chima Wolf with Yellow Eyes, Black Scars, Fangs, Closed Mouth / Open Mouth Pattern (Worriz) - Hollow Stud Catalog: Parts: Minifigure, Head