

The guy on the Pillar is Ptolemaios, and the Stone Turtle is a Rare-quality unit. Some of these get their time in the sun in '']''. See ] for all the stuff that people have found from the game files. Including a giant turtle-like mecha and the native zapped by the lightning at the beginning as the final boss on a levitating, laser-spitting pillar. ** Many ideas and models were scrapped from the final product, especially in 5. Original plans were using that gag screen as the plot hook. Only for the gun to fall on the head of a fishman on its way down.


*** This is actually corroborated by the ending of ''Metal Slug 3'' where the ] hurls their handgun in the ocean to symbolize that it is the end. ** The above video also reveals that rearranged themes from ''Metal Slug 1'' were composed for ''X'' and are still present in the ROM, that an "X" version of ''Metal Slug 3'' was planned, and that the antagonists of Metal Slug 4 (as developed by SNK) would have been fish-people. A full fan nickname "Manfred Amadeus" was also used. ** The Doctor was usually referred by fans as "Amadeus", stemming on how the Rebel Army and its infantry are sometimes officially called Morden's Army or Morden Soldiers. ** The Avatar of Evil has been nicknamed "The Scyther" ]]] thanks to the ] it uses as a weapon. This was because the boss was located in some sort of breeding chamber and was assumed it was the matron of the Invaders. ** Prior to the name reveal in ''Metal Slug Attack'', the Invader King was often referred to by players as the "Invader Queen" or "Venusian Queen". Interestingly, the basic Invader troops are referred to as Venusians in its files in ''Metal Slug Attack''.

For the longest time they didn't have an official name, and when they did get one it was just "the Invaders", so fans gravitated to a Venus-themed name as a pun based on ]. ** Venusians, for the alien race in ''6''. ** The Shooting Ray (the second boss from ''5'', a giant plane) was nicknamed "Secret Weapon of the Luftwaffe" by fans before its real name got revealed. Some of these fan names showed up in the officially licensed ''Metal Slug: The Ultimate History'' artbook, although they are also disproved by SNK. Due to the large time gap before their actual names are given, ]. * FanNickname: Prior to ''Metal Slug Defense'' and ''Metal Slug Attack'', a good number of enemies, bosses, and characters post ''Metal Slug 3'' did not have official names, so fans came up with their own names.
