The second battle condition references Prince Richard's superior fighting skills at the beginning of Kaeru no Tame ni Kane wa Naru.

The Temporary Invincibility rule references how Prince Richard's frog transformation, which prevents certain enemies to fight his rival, the Prince of Sablé, who appears as the Assist Trophy enemy.

The stage and music track represent Kaeru no Tame ni Kane wa Naru, a game released exclusively for the Game Boy which features Prince Richard.

The cyan Young Link represents Prince Richard, a young swordfighter with a blue color scheme.

The enemy can unleash powerful critical hits at random.

The enemy will occasionally be invincible after a little while.

In World of Light, the Andy spirit is located near of the Base map in the Light Realm, referencing Andy's involvement with the military.

This spirit's Grab type references Andy's role in the first chapter in the Advance Wars campaign by taking back the Orange Star nation from Blue Moon.

The Snake minions' frequent explosive-based attacks, Exploding Type items, and Health Recovery rule references Andy's Super CO ability, Hyper Upgrade, which can restore 5 HP to his units and increase their firepower by 30%.

The stage's layout and the music track represent the Battleship, a Naval Unit used in the warfare game, Advance Wars.The red Tiny Snake minions represent Andy's Orange Star Units in Advance Wars.

Mario and the Health Recovery rule represents Andy, a character wearing red clothes whose CO ability can heal his units' HP. The enemy is healed when the enemy's at high damage.

Mercenaries 2 trainer origin