Raiden Fighters

Raiden Fighters, previously known as Gun Dogs, are titular series of different aircraft and a heroic fighting force through the famous vertical side-scrolling shooter video game series of the same name. It is known for operating the resistance against dictator's army from attacking the allies and conquering some respective territories during the uprisings of every guerrilla warfare.

Planes

 * Aegis
 * Aegis IV
 * Aegis II-C (as a secret plane debuted in Raiden Fighters 2: Operation Hell Dive)
 * Beast Arrow
 * Beast Wing
 * Chaser
 * Chaser 2000
 * Devastator
 * Eraser
 * Endeavor
 * Griffin
 * Death Header
 * Flying Ray

Experimental fighters

 * Hell Diver
 * Ixion

Miscellaneous

 * Slave

Interstellar fighters and living creatures
Only few characters from the main series can appear but some of them are secret.

Raiden series

 * Raiden MK-II
 * Raiden MK-II Beta
 * Fairy (as slave)

Wiz

 * Miclus

Viper Phase 1

 * Judge Spear
 * Blue Javelin
 * Dark Sword (although it was not appeared in an actual game, it appears only in 2 Raiden Fighters titles)