Despite it weighing over 400 pounds, Guts (Berserk) can easily draw his Dragon Slayer in the blink of an eye.
Genryūsai Shigekuni Yamamoto (Bleach)
As part of his Dark Slayer fighting style, Vergil (Devil May Cry series) is immensely skilled in the art of Iaijutsu, able to draw his Yamato and kill demons in the blink of an eye before placing his sword back in its sheath.
Goemon Ishikawa XIII (Lupin III)
Jonah Hex (DC Comics) has defeated Batman in a quickdraw.
Lucky Luke's (Lucky Luke) signature move is outdrawing his own shadow!
Princess Mira (Samurai Jack) is shown practicing her quick draw. She repeatedly slashes the drops of water falling from an icicle, to the other bounty hunters' amazement.
Match's (Toriko) swordsmanship emphasizes drawing, striking the enemy, and re-sheathing his sword as a single coherent motion.
Agatsuma Zenitsu (Kimetsu no Yaiba) using the Breath of Thunder - First Style: Thunderclap and Flash with superb finesse.
As a supreme master of Gentle Blade, Brook's (One Piece) Hanauta Sancho: Yahazu Giri/Three-Verse Humming: Arrow-Notch Slash is such a fast pace technique that it appears that it did not attack its target at all.
...and his Kasuriuta: Fubuki Giri/Pastoral Song: Blizzard Slash, which can induce a deadly cold from the underworld itself.
Roronoa Zoro's (One Piece) using his Ittoryu Iai: Shishi Sonson/Lion Song to cut through Daz Bones/Mr.1's steel body...
...and Hody Jones's body as his technique has grown stronger since his 2 years of training.
Shiliew (One Piece) celebrating his release from prison.