From The TimeSplitters Wiki

Teeth Mummy
Unlocked by	TS1: Tomb on Hard in 2m 20s TS3: Default
Species	Mummy
Size	Normal
Accuracy	N/A
Agility	5/10
Stamina	5/10
Fire Proof	5/10
Shock Proof	5/10
Default AI	N/A
Native TimeZone	1970
First Appearance	TS1 Story Mode
Relations	None
Games	TS1 & TSFP

Teeth Mummy is one of two mummys in the series. Unlike Eyes Mummy, he appears in both TimeSplitters 1 and TimeSplitters: Future Perfect His teeth stick out of his bandaging and in TS1 he has long nails. Possibly, he might appear in TimeSplitters 4.

TS1 Gesture	Lunges forward off-screen groaning.	TSFP Gesture	A vertical coffin turns round to reveil him inside, he walks out and pumps his arms saying "I'm the mummy now!"
TS2 Gallery	N/A	TSFP Gallery	Well at least they’ll be able to identify him from dental records.