From The TimeSplitters Wiki

Skull Zombie
Unlocked by	Beat Challenge 1-C
Species	Zombie
Size	Normal
Accuracy	N/A
Agility	N/A
Stamina	N/A
Fire Proof	N/A
Shock Proof	N/A
Default AI	N/A
Native TimeZone	1965
First Appearance	TS1 Story Mode
Relations	None
Games	TS1

Other than a cripply thin body, Skull Zombie's trademark characteristic is his skull. He wears brown trousers and has large gaps in his waist.

TS1 Gesture	Looks about in disbeleif that the player has picked him, making a hand gesture towards himself as if to say "me?", then gets ready.	TSFP Gesture	N/A
TS2 Gallery	N/A	TSFP Gallery	N/A