Ben could have them DNA but it didn't work. Explain me if you know i am bad with my English but i can translate. I love ben 10 it's my favourite cartoon show and sometimes i am thinking for example classic series where ben become blitzwolfer. Omnitrix just scan loboan dna by accidentally hitting to watch. And you guys remember the episode Big fat Alien wedding where ben as Heatblast fighting Mr. Mann and Mrs. Mann but Omnitrix didn't scan them why. ben get critical damaged as Heatblast also they grabbed him and they Try to consume him with mud.