Image Item No. Description  3626  Minifigure, Head (Plain) Catalog: Parts: Minifigure, Head  3626cpb1319  Minifigure, Head Alien Robot with Dark Azure Spot on Forehead, Dark Purple Eyes and Lines, and Sand Green Armor Plates Pattern (Vision) - Hollow Stud Catalog: Parts: Minifigure, Head  3626cpb1691  Minifigure, Head Alien Robot with Yellow Spot on Forehead, Dark Purple Eyes, Reddish Brown Lines, and Sand Green Armor Plates Pattern (Vision) - Hollow Stud Catalog: Parts: Minifigure, Head