The Omnitrix (the watch-like device he uses to transform into an alien) has 10 aliens at time. But it happened that Ben managed to "unlock" more aliens by collecting their DNA.
Why would they be called OJ's
They are called Scardox Aliens.
A pack of aliens.
No, the title is simply a clever misnomer...of course there are, it's called 'Aliens'.
It is called transform boundaries.An earthquake
They are called the Na'vi.
They aren't numbered, and in fact, there are more than 10 aliens he can transform into from the original series.
He is called 'unemployed' and 'seeking other opportunities', since there are no aliens available to study.
No there are no such things as aliens
Transform boundary
Transform boundarys are also called strike-slip faults. The only transform boundry is in California.