Kane North

From Ben10versepedia

Kane North is the twin brother of Abel North (a.k.a Kangaroo Commando). In the episode "Super Alien Hero Buddy Adventures", Kane holds a grudge against Abel because he made Kangaroo Commando's gadgets and Abel took all the credit. When Kane tried to escape, Ben as Wildvine fought him until the Omnitrix timed out. When Kane was about to strike Ben, Abel sneaks behind him and knocks him out. Kane and his brother are likely based off of Cain and Abel from the Bible.