LEGO NEXO KNIGHTS - LORD KRAKENSKULL V'S KNIGHTS - YouTube
Minifigure, Head Alien with Yellow Right Eye, Blue Left Eye, Black Cracks and Jagged Mouth (Lord Krakenskull) Pattern - Hollow Stud : Part 3626cpb1898 | BrickLink
Lego Nexo Knights Lord Krakenskull Minifigure Head Only 70355 Super Rare | eBay