The Omitrix has 1000 aliens.
Aliens love the Mall of America. For some reason, it has attracted many aliens. The Mall of America has become a destination for visiting aliens.
63 aliens.
The Aliens of Earth has 327 pages.
Jose, Juan, Pablo, and many more
1 aliens per banana. Source:I am a alien.
ben has 1,000,900 aliens in his omnitrix
about 1 million. but ben does not turn into more than 50 aliens.
enough
Scardox aliens do not mate. Science has never confirmed the existence of aliens as of 2014, though many people believe they are real.
above 50 aliens are in ben ten's watch about 64
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.