Dragaux is the main antagonist of Ring Fit Adventure. Dragaux was once sealed away within Ring to protect the world from his dark influence. Dragaux is obssessed with exercise and his staying in shape.
Dragaux was originally sealed away in Ring a long time ago to prevent the world from falling to his dark influence. One day he managed to trick the Protagonist into releasing him from his prison, which allowed him to roam free once again. After a short while, the Protagonist confronted Dragaux for the first time and managed to defeat it. Dragaux realizing that his emprisonment reduced his physical strenght fled with the goal to go back to being in shape and defeat the Protagonist.