Part Three of EW’s run-up to the new ‘Star Wars’ trailer.

Sometimes theFireflyandFrozenvoice actor describes Kaytoo as being like a little kid blurting out whatever comes to mind.

At Star Wars Celebration, Tudyk told the crowd the rehabilitated Imperial droid had a curmudgeon-like brusqueness.

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Credit: Lucasfilm

If you know any old people, its like that.

He has no filter.

There was an old line, its not in there anymore….

I cant say whatIwant to say, but Kaytoo can say what he wants, Tudyk explains.

He can say insulting things very casually if he thinks theyre true.

Does he feel emotion?

Tudyk, who played the synthetic-with-spirit Sonny in 2004sI, Robot, shakes his head.

Hes not an overly emotional guy.

Hes not like C-3PO, whos like a fing neurotic mess.Hesflappable.

Kaytoo is much more in theunflappable category.

But he does understand right from wrong.

Before being drawn into the Rebellion, Kaytoo served a different master.

He was a security droid in the Empire and they sort of enforce whatever needs to be enforced.

Hes 7-foot-1, and follows orders pretty well.

If youre asked to be detained, he can detain you.

They stand guard, and if somebody doesnt mind them, theyll… Tudyk laughs.

Theyll enforce the sh out of [people.]

Their friendship goes back long before the start ofRogue One.

Theyve been together for a while, a couple years, Tudyk says.

He wants what Cassian wants.

He loves Cassian, because he freed him.

Its a bittersweet moment for a droid who doesnt feel that sort of thing.

You do meet other Kaytoos and they dont have as much free will.

We see them, and … Yeah, thats not him, Tudyk says.

We havent yet heard Kaytoo speak, but Tudyk told EW how he came up with the voice.

I have an English accent, says the actor, who was born and raised in Texas.

And because he was a droid, it made sense that it would be more of a proper accent.

Tudyk balks at this.

Now, how the hell isthattrue?

he says, twisting his face.

Well, Chewie is also blunt, big, intimidating, and not afraid to roar his mind.

Tudyk isnt sold on the comparison, since Kaytoo is such a stoic.

I see Chewbacca as very emotional, he says.

But I dont speak Wookiee.

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