you are supposed to use the twisting staircase to access all the rooms branching off and to change the water flow when you have the clawshot
In the first temple
in the main room
The Temple of Time, the entrance of which is in the sacred grove.
get the boomerang.
The big key
you have to get the double clawshot from the miniboss.
There is no whip... if your talking about the grappling hook, you get it in the ice temple
At the underwater temple, beneath lake Hylia.
Try putting on the iron boots.
as soon as you defeat the Minny Boss in the Forest Temple you get the boomerang
After you complete the Forest Temple the twilight is no longer in that region and Link must travel to the next region of Hyrule to rid it of the twilight
In Twilight Princess, the only monkey whose name is given is the forest temple boss monkey - his name is Ook.