- Anything from Greek tragedy. D: 'lol i married my mom'
- Biblical themes thrown in at random points. WHY IS A SHIP SHAPED LIKE A CROSS RAISING OUT OF THE OCEAN
- Phallic-shaped demons. Megaten and Shadow Hearts, I'M LOOKING AT YOU. D:
- Freudism and Jungism throw in like sprinkles on a nine year old's ice cream cone.
- Fake memories.
- Fake pasts.
- Fake relatives. "OMG YOUR NOT MY MOM BUT AN EXPERIMENTAL ANDROID!?!?"
- Humans bleeding any other color other than red.
- Finding your own blood to be another color than red.
- Evil twins.
- VAGINA DENTATA