Tanny

In-Game Information
Tanny is a character that writes notes in the game. She never makes an appearance in the game.

Quoted Information/Backstory
'''SPOILER ALERT! SPOILER ALERT! SPOILER ALERT!'''

"All notes (except this one) go on the back please :). -Tanny"

"These doors are power operated, so if the power cuts out, that's really bad. -Tanny"

"Hello staff! This is where we store our chemicals! Keep everything else out! -Tanny"

"Due to escaped monsters breaking in in the past, the maintenance zone has been protected by a code door. -Tanny"

Theories
It is possible that Tanny is the founder of Invention Station Labs.