stay tuned for updates.9 aliens are currently listed :humongousaur,echo-echo,swampfire,big chill,brainstorm,chromastone,jetray,spidermonkey and goop.
normal Ben's best alien is ghost freak and benten alien forces best alien is gloop.
Alien X
THE best alien of ben-10 ultimate alien is alien x.
his alien force aliens and nanomechNo, Alien X doesn't appear in Alien Swarm.
Alien X
Gwen is an alien named Anodite in Ben 10 Alien force. She is not a witch.
my favorite Ben 10 alien is Fourarms
Lodestar.
he wont unlock any aliens it different when its comes to Ben 10 and Ben 10 alien force
swap fire and big cheld
The most powerful alien would be ALIEN X!!!
If Ben stays as an alien too long that alien will take control over him.