Final answer:
Mangle from Five Nights at Freddy's 3 is the character known for hanging from the ceiling and appearing in the office window. This animatronic contributes to the game's horror element with its unique movement patterns and appearance.
Step-by-step explanation:
The character who hangs from the ceiling in the cameras and sometimes appears in your office window in the third game is likely Mangle from Five Nights at Freddy's 3.
This animatronic can often be seen on cameras in a disassembled, mangled state, hence the name Mangle. It is known for its distinctive look and behavior of climbing across the ceiling, which adds to the suspense and horror element of the game. In Five Nights at Freddy's, each animatronic has its unique patterns and methods of interfering with the player's efforts to survive the night while working as a night security guard.