Complex sentence: A mentally unstable individual with a tendency to giggle inanely and prone to stalking the corridors of the ship in a murderous rampage, Loon was an inmate of a lunatic asylum on the Moon.
Split into simpler sentences: A mentally unstable individual with a tendency to giggle inanelyl Loon was also prone to stalking the corridors of the ship in a murderous rampage. A former inmate of a lunatic asylum on the Moon.