From The TimeSplitters Wiki

Sergio
Unlocked by	Beat Sergio's Last Stand with Silver
Species	Human
Size	Normal
Accuracy	5
Agility	3
Stamina	9
Fire Proof	n/a
Shock Proof	n/a
Default AI	4 stars
Native TimeZone	Unknown
First Appearance	TS2 Arcade Mode
Relations	N/A
Games	TS2

TS1 Gesture	N/A	TSFP Gesture	N/A
TS2 Gallery	The circus strongman, Sergio's incredible strength is tempered with a compassionate personality and love of life. He likes to tend his herb garden and collect first editions.	TSFP Gallery	N/A

Sergio is one of the performers that works in the Circus. He wears rather revealing clothing. According to Arcade League one of his acts involves shooting flaming Sewer Zombies.

Arcade League

Sergio stars in an Arcade League and a Challenge in TS2.

Sergio's Last Stand

The last act performed tonight, this will star our very own Sergio the Strongman. We feel privileged to welcome our guests, a time travelling group of flaming zombies. Ladies and gentlemen, put your hands together for Sergio's Last Stand!

Rocket Man

Sergio loves to visit the Streets at night! He relishes the feel of the cold snowy air gusting through his loincloth as he scampers up and down. But most of all he loves to show off with his rocket launcher in front of the lovely ladies...