If you are into the works of H.P. Lovecraft, or simply like Cthulhu and/or geeky action figures, you need to check these out. ThinkGeek has a complete set of Legends of Cthulhu action figures that you can add to your collection for $19.99 each.
There are four figures including the Spawn of Cthulhu, Professor, Cultist, and Deep One. They are articulated with five points of movement each. Each of the characters also has its own accessories.
Each of the action figures is 3.75-inches tall. Accessories for the Professor include a revolver and idol; the Cultist gets a staff, dagger, and removable mask; Spawn has removable wings and the Necronomicon; Deep one gets a staff. All are available to order and torment your soul now.