BrickLink - Minifigure col152 : LEGO Grandpa, Series 10 (Minifigure Only without Stand and Accessories) [Collectible Minifigures:Series 10 Minifigures] - BrickLink Reference Catalog
LEGO minifigure head - man / grandpa, beard and mustache - Extra Extra Bricks
LEGO® sim012 Grandpa Simpson - Minifig only - ToyPro