Let's see, start with the crack pairings and work my way down...
Kingdom Hearts - Maleficent/Riku Final Fantasy VIII - Cid/Edea Final Fantasy VIII - Quistis/Seifer Final Fantasy VII: Advent Children - Jenova/triplets
And on the off chance that anyone's even heard of, let alone knows, my first and still favorite fandom:
Gabriel Knight - Gabriel/Grace
- "Well, that was unexpected." - strap-on - it's like love, only not - "Tell me no." - who will save your soul after all the lies that you told, boy/who will save your soul when you won't save your own?