Click here to see Negative Ventro, the Ventro who thought his job was history and wants revenge.
Click here to see Evil Ventro, the Ventro that’s the exact reverse of Ventro.
Click here to see FrankenVentro, the reborn version of Ventro in some episodes.
Ventro is NOT to be confused by these people.
Roy Isols, Ventro’s evil twin.
Nemesis Ventro, the evil robot Ventro.
Mack Tebirin, a master of disguise who went undercover as Ventro.
Ventro Jr, Ventro’s son.
Nemesis Ventro II, the revised version of Nemesis Ventro.