From The TimeSplitters Wiki

Amy Chen
Unlocked by	Default
Species	Human
Size	Normal
Accuracy	N/A
Agility	6
Stamina	4
Fire Proof	5
Shock Proof	5
Default AI	4
Native TimeZone	2052
First Appearance	TSFP Story Mode
Relations	Dr. Amy (Alternate outfit)
Games	TSFP

TS1 Gesture	N/A	TSFP Gesture	Gets down into a martial arts like stance and says "Think you can keep up?"
TS2 Gallery	N/A	TSFP Gallery	Amy is actually really sweet... it's just that everyone seems to have got on her bad side...

Amy Chen is Cortez's sidekick on the levels Breaking and Entering and You Genius, U-Genix. Encountered in almost the near end of Breaking and Entering, Amy reveals that she's a government agent getting proof of what Jacob Crow is up to. Amy has also been a government agent for 4 years and is trained in Martial Arts, and also sports a machete.