Ben 10 Question: Who is Ben's Strongest Alien?

Alien X, I guess.

@DeadlyGambits said in #8:
> uhhhh
> u r trying to say 'childish' right
> I mean
> u must have done something really childish when ur a kid so dont be embarrassed to admit it ;)
> if u havent done anything childish, I felt pity on u
> (this post is nonsense I dont even know what I am writing)
May be in ur dream I rickroolled u

@Realboy9000 said in #12:
> May be in ur dream I kicked on ur main part
Thats some dangerous threat

I'm sure that it's Alien X

Alien X

Illegal Alien the Gardener... is only 5'2" but strong as steel from working all dawn to sunset under that nuclear ball of radiation overhead.

Ben is emotionally the strongest.

Alien X

four arms

General Grievous