Cameo fighters from other games. These fighters have no connection to the game's main plot. They are simply guests in the Xeno Fighters R story.
“The Pollux (ポルックス porukkusu), formerly the Gemini Red, is one of two guest fighters from the...Pollux
“The Vic Viper (ビック バイパー bikku baipaa) is a guest fighter from the Gradius Series of games by...Vic Viper
“The Judge Spear (ジャッジ スピア jajji supia) is a guest fighter from Viper Phase 1 by SEIBU KAIHATSU...Judge Spear