- "Space-Time Police Sheriff Esteban!"
- ―Esteban's roll call
He has brown hair and wears blue and white hat, Space-Time Police's Gold Uniform and white shoes.
- Laser Blade
- Gold Laser Pistol
- Gold Samurai Sword
- Gold Katana
- Space-Time Police Sheriff Bazooka
- Space-Time Police Knuckle
- Space-Time Police Blaster
- Space-Time Police Blade
Sergio uses the Laser Blade to perform the Esteban Aggression attack, an electrically charged 45 degree angle energy slash.
- He is also a professional bowling superstar, as bowling has become hugely popular.