Sirius

Sirius is the Main Antagonist of Kamen Rider Omni Evolution:All Stars. He is also the final boss.

History
Sirius was the one behind the All Star incident.

Personalities
His Personality is Rude And Evil.

Forms
Final Form:His Final Form is a Dragon.

Arsenals
Sirius Slasher-Main Weapon.

Note

 * Sirius is the first Omni Evolution Antagonist not to imitate a Rider.