What is the Most Underrated Alien in Orginal/Classic series?

Alright Atomix wins as the Most Overrated Alien in Ben 10 Omniverse.

I personally feel Feedback is more overrated than Atomix, but still Atomix is overrated.

Coming back, by "Underrated" I mean aliens which are not recognised or hyped by the Fandom but it deserves the recognition and hype. Do not confuse with "Under-used".

Rules:- Most upvoted comment wins.

Repeats and images are allowed.

Only aliens used by Ben in OS is counted.

Alright Atomix wins as the Most Overrated Alien in Ben 10 Omniverse.

I personally feel Feedback is more overrated than Atomix, but still Atomix is overrated.

Coming back, by "Underrated" I mean aliens which are not recognised or hyped by the Fandom but it deserves the recognition and hype. Do not confuse with "Under-used".

Rules:- Most upvoted comment wins.

Repeats and images are allowed.

Only aliens used by Ben in OS is counted.