Funko has pull back the curtain on another series of POP! Vinyl figures today. The latest to join the POP! Television line-up are the ThunderCats! In the first series of ThunderCats figures are Lion-O, Cheetara, Panthro, Snarf and the evil Mumm-Ra! According to Funko, these will be available on December 17th. You can pre-order these from online retailer BigBadToyStore here.