I'm good with voices, but the person who voices for these characters should be proud of themselves.
And then, to add more to the insult, once Ash opens the door, Mewtwo will just stand there, with Ash patiently waiting, until...
Mewtwo: "Actually, I think I want to come in through THAT door."
*levitates over to another door*
I have three cats. ALL OF THEM are like that.