Board Thread:Role-playing/@comment-24199830-20141116013640/@comment-5607612-20141219021738

Maxustech12 wrote: I find it odd that all time being attached to the Omnitrix Skurd didnt get scanned by it. Excluding Anodite and Chronians Slimebiotes are (theoretically) pretty much the only sapient lifeforms not in the Omnitrix.

No one ever said the Omnitrix didn't scan him so it probably does have a Slimebiote sample. Just like Ben has Decagon and doesn't know it.