Who do you think is the best swordsman from fiction?

[Worthy39]

Well, since we still don't know, I'll suggest the T-Rex from Dino blade, a game where dinosaurs fight with weapons.

 

[Triskele_Lynx]

Samurai Cat (a.k.a. Miaowara Tomokato)
He single-handedly defeated the balrog, an Old One and cancelled Ragnarok. And that's just in the first book.