Mecha Animals: They are Mecha Gorilla-DX, Mecha Shark-DX, Mecha Eagle-DX, Mecha Lion, Mecha Gorilla, Mecha Shark and Mecha Eagle. They are completely protected against "poison", "cursed" and "vampire" as they have Iron Heart so won't get infected.
Celeo, Leo Jr.: Leo's son who has arisen to fight the Mecha Animals. This young one has the same golden fur as his grandfather Galleon.
Regulus, Scorch Jr.: He's one of Scorch's sons.
Zengetsu: He's the leader of the ninja animals. He has "MIKIRI" and "Henge" skills.
Mecha Lion-Elite: It's the boss animal. It can analyse the opponent's weak point and do a massive damage in the next attack (Weak Point Attack). Activates when the opponent is low in health.
Below are the other new animals that appear in Evo 4.