Scrapped, Unused and Differently-named prototype Skylanders with Different songs part 4 teaser
Some more forgotten Skylanders have been discovered! Take a look at this: http://www.gdcvault.com/play/1023024/Live-Demonstration-of-Character-and
There might be more to come. See if you can find any songs for them.
According to these concepts, I presume that Swap Force was originally called "Shapeshifters".
Songs used:
0:00 Krayken (Prototype version of Rip Tide, Wash Buckler and Punk Shock): Release the Kraken - Clutch
0:15 Dinosaur Mace Hand Skylander (Unknown replacement): It's a Hard Knock Life - Annie and Orphans from the 1982 Annie film.
0:30 Presumably Air Female Skylander (Unknown replacement): Dancing on Air - Jack Bruce
0:45 Bubble Trouble (Replaced with Rip Tide and several traits delivered to Wash Buckler and Punk Shock): Bubblin' - Blue