Scylla is a six-headed sea monster who lives on one side of a narrow channel of water, on the opposite side of Charybdis, another man-eating sea monster.
There are roughly one-sh*t billion tropes so PLEASE look through them before adding one. Otherwise add what you like. ADDITION: PLEASE read through the trope description provided before submitting something. It's not a huge deal but too often people submit characters that don't fit just because they misinterpreted the title...
