Simon Altair

Simon Altair or Hydro Master is the Main Antagonist of Kamen Rider Overflow.

History
To Be Added

Personalities
His Personality is Evil and Rude.

Powers And Abilities
Hydrokinesis:He can control Water.

Forms
Hydro Master:His Default Form accessed through the Hydro Master Disk.

Equipments
Disaster Shooter-Transformation Device/Weapon.

Disaster Disks-Transformation Trinkets.