a. My favorite thing about that character.

He's strong, smart and BAD.ASS.

b. My least favorite thing about that character.

He tends to obsess.

c. One person I would ship them with in their own verse.

Catwoman!

d. One crossover ship for them I think would be neat.

Bruce/Storm

e. One crossover universe for them I think would be even neater.

Watchmen. Batman could've saved the world.

f. Their ship from hell.

Batman/Superman

g. Their song.

Me Against the World

h. The title of their biography or autobiography.

That would be classified. ;)

i. The last bad dream they had.

Replay of the death of his parents/Jason Todd/Spoiler/etc.

j. How they're gonna shuffle off the mortal coil, if they haven't already

If you roll w/ BatBey, old age. VERY old.