Operation Spider happened in 1994-12.
Spider-Man.......In December 2006, a Spider-Man version of Operation was released, in which the player operates on the Marvel comic hero, Spider-Man.
because they are spider
Apple Cider Spider happened in 1983.
Operation Deliverance happened in 1992.
Operation Protea happened in 1981.
Operation Bigamy happened in 1942.
Operation Anthropoid happened in 1942.
Operation Kitbag happened in 1941.
Operation Begonia happened in 1943.
Operation Kaika happened in 2006.
Operation Bristle happened in 1942.
Operation Bowery happened in 1942.