From The TimeSplitters Wiki

TS1 Gesture	None	TSFP Gesture	"It's time you slept with the fish's"
TS2 Gallery	None	TSFP Gallery	Eat krill...eat krill... eat krill...

The shoal is a fish character. Instead of arms, he carries and uses the guns using multiple fish instead. The shoal is one of the few floating characters.