The Axe Knight is a giant, bulky, knight-like monster who lives on Dragons' Den. He is based on the enemy of the same name from Dragon Warrior.
Cartoon
Kevin Keene, Princess Lana, and Duke ran into the Axe Knight while searching for the Flame Sword and Silver Shield he guarded. The Axe Knight's armor was impervious to Zapper fire, so Kevin had to use his Power Pad to outmaneuver the knight instead.