From The TimeSplitters Wiki

Princess
Unlocked by	N/A
Species	Zombie?
Size	Large
Accuracy	N/A
Agility	N/A
Stamina	N/A
Fire Proof	N/A
Shock Proof	N/A
Default AI	N/A
Native TimeZone	1994
First Appearance	TSFP Story Mode
Relations	N/A
Games	TSFP

Princess is a boss character in the 1994 levels in TimeSplitters: Future Perfect. It appears to be a dinosaur zombie with an eye in its stomach. It is a NPC due to its huge size, but no doubt they could of shrunk it and added legs or made it a floating character like The Cropolite.