LEGO® Minifigures™ Series 8 were introduced in September 2012. Collection includes: Actor, Pirate Captain, Conquistador, Evil Robot, Alien Villainess, Diver, Vampire Bat, Fairy, Football Player, Businessman, Downhill Skier, Red Cheerleader, Santa, Lederhosen Guy, DJ and Cowgirl.
The idea behind collectable Minifigures™ was that each minifigure come in a sealed bag, so you never knew which minifigure you might get. You can reed more details on Series 1, Series 2, Series 3, Series 4, Series 5, Series 6 and Series 7.
Detailed information can be found on LEGO® website here.
Although released in 2012, not available any more You can still try to find them on eBay.
Some more information on this series can be found on Brickipedia.
Below you can find photos of all Minifigures in this collection:
