From The TimeSplitters Wiki

The Deerhaunter
Unlocked by	TS3: Unlocked by Default
Species	Mutant
Size	Large
Accuracy	N/A
Agility	5
Stamina	5
Fire Proof	2
Shock Proof	5
Default AI	5
Native TimeZone	1994
First Appearance	TS3 Story Mode
Relations	None
Games	TS3

The Deerhaunter appears in TimeSplitters: Future Perfect as a playable character. The character resembles a large deer or moose standing on its hind legs. The Deerhaunter has been stripped of its skin. Its large antlers, hooked arms and hooves make it a formidable opponent. The Deerhaunter appears in the Story mode level Mansion Of Madness.

TS1 Gesture	None	TSFP Gesture	"The moose is loose!"
TS2 Gallery	None	TSFP Gallery	Go on, just try tying this guy onto the roof-rack of your sports utility vehicle.

Glitch

There is a glitch in the room where The Deerhaunter attacks Cortez in the Mansion of Madness. If you run back into the area where The Deerhaunter broke through the wall, he will be unable to attack you.