a. His ambition and his dedication to that goal.
b. How he seems to fluctuate in skill and intelligence.
c. Viper, strangely. I've never seen the pair written, but I like them.
d. An alternate version of himself, because that's the only person I think he could really love.
e. Dragonball Z.
f. Him/Monkey King
g. "Eye of the Tiger", Survivor
h. "Black Tiger Dictates Novel"
i. He's stuck in a weakling body and fighting Tohru.
j. He's going to fight someone he can't handle, probably.