Mad mew mew thinks she's great!

She thinks she's the star! We know better!

Alphys doesn't

See other people think she's great!

Well, let's see...
Mad Dummy is the star of the game in any form, including Mad Mew Mew.
...
You! Coder squad!
Go rewrite Undertale so that Mad Mew Mew is the heroine!

Mad mew mew logic...

...Technically you're a haunted animatronic.

I'm afraid she suffers from a severe brain disease and doesn't know she's not real.

...
Assistant! Bring me the prototype!
*An assistant hands Goatfire a weird raygun.*
There is a 99% chance this will work and make her real.

It worked! I think... But she keeps trying fo bite me...

That's what nekos do.
*Goatfire proceeds to give Mad Mew Mew headpats.*

You wanna go put on a show so wicked it'll make Mettaton look like some off-the-streets showboy?

Looks like she'll have to star in her own dance show then. The public demands it!

Alright then.
...
You! Assistant!
Go fetch the production crew! We have a dance show to create!

...The polls are in.
21% of people said Mettaton would win.
79% of people said Mad Mew Mew would win.