Godai Sentai Oniger

I think this picture will stretch the page if I insert it, so here's the link.

This is the Godai Sentai Oniger.  "Godai" is the five elements philosophy in Japanese Buddhism, Godai meaning "Five Great".  The elements are:

Fire
Water
Earth
Wind
Void

The five Onigers each hold one of those elements, with them being (from left to right):

Wind, Water, Fire, Earth, Void

(note: wind is the sole female)

As a super mode, they can enter monstrous forms, each wielding a personal weapon (I assume their normal Ranger forms use standard blaster/sword combo):

Bow, floating balls, giant sword, large staff, spiked club/cannon

They also have a mecha (see here for more pictures, including the mecha)

There is also a sixth Ranger, who also uses the fire element, here and here.

Their names are "ShouRanger", "GekiRanger", etc.

Shou:
Geki: Sohn
Gou:
Rai:
Gan: Quetz
Jin: Me