A false door inhabited by Good People will have visual and audio cues , such as breathing, the door sign sparking , and other monstrous sounds such as growling .

(information sourced from wiki)

For tones in regards to the voicelines , look at the video below;

https://youtu.be/1smMEde5aW0?si=emnm-Gr-g7gpu_ky

PROVIDE DISCORD IN AUDITION FOR CONTACT

There is no specific voice needed for this role .

Two people will be having this role , as in canon , they are two seprate entities working together.