The Fisher King is an assassin for Arachnophobia. He is sent to capture a demon tool, but is easily defeated by Kid on the Runaway Express. His cannon arm is destroyed by a Mizune witch, and is killed by Sid.

Attacks: All of his attacks focus on his right cannon arm. He can also use it to travel far distances by shooting out a hook.
Pole Launcher: He shoots out cannon balls toward his enemy.

(Source: Wikipedia)