LET'S WELCOME A GOOD FRIEND IN CO :D

SUCKERLINA!

Shan't tell you who's that. Some clues first. (people who know don't leak out!)
1. It's a SHE.
2. She gets full every 2 days and gotta clear her bowels.
3. She is living in the CO room.
4. She guards the instruments.
5. She SNORES.

Happy guessing :D