I'd have to say Red XIII, simply because of the sheer detail that's needed to be put into his fur. And Squeenix seems to have done a marvelous job.
Cloud
Aeris
Tifa
Barrett
Red XIII
Cid
Yuffie
Vincent
Sephiroth
Wheel-Chaired dude
Kadaj
Loz
Yazoo
Reno
Rude
Marlene
Zack
I'd have to say Red XIII, simply because of the sheer detail that's needed to be put into his fur. And Squeenix seems to have done a marvelous job.