Camera

He appears on every cam except for cam 9 (which is the bathrooms)

Mechanic

He runs to your office, look on a camera, any camera, and you'll see him running

Sounds ques

He plays a full-blast, earrape version of the famous "you are a pirate" song

How to avoid it

Since you can't close the door, threaten him with a Glock, he'll leave you alone, if it doesn't work, well, you're cooked. But it only doesn't work sometimes if you're in hard mode

Active on night 1 through 7