She says meow (nyan) after almost every phrase she says, though she is the only cat who does this.
en.wikipedia.org They can be quiet, only meowing occasionally, but can also be very talkative.
en.wikipedia.org She enjoys making cat puns, and tends to end her sentences with meowing noises.
en.wikipedia.org In the first season of the series, after she says her lines, she tends to meow, purr and screech, just like a real cat.
en.wikipedia.org The meow can be assertive, plaintive, friendly, bold, welcoming, attention soliciting, demanding, or complaining.
en.wikipedia.org