Weaky

He starts in CAM01 and goes to one of the power station to turn off the power. Click the button with lighting icon to turn on high voltage and stun him. If he manages to turn off the power, turn it on using the control panel, before Weaky gets you. Lights flicker when he is about to turn off the power

Kitty

She starts in CAM01 and goes to your office by the door. If you hear footsteps, use taser to send her back.

Peter

He starts in CAM01 and goes to your office by the vent. If you hear banging, use taser to send him back.

The Puppet (not official name)

She starts in CAM03 and she will move only, if music box isn't wound. Remember to wind the music box to keep her in place. There's no way to send her back.