Leader of the Pit Clan
They are the watchdogs of Monarch. They gave him the chance to take control of the Pit clan by defeating the past leader.
The four are "bishops" who where the first borns of the pit. They are Monarch's advisors and trophies.
The creatures who's living in the pit clan,
Creatures who where choosen by Monarch to be sacrified at any moment to the pit. They're here to bring new blood to the clan (the pit take a life in exchange of another life) or for food if there is an emergency.
(that mean they can be traded with LK character or sold)
That creature is a sort of living god among those creatures. Monarch is serving the beast for power. Together they're controling the pit. A hole in center of theire clan who seems to send the creatures who fell inside into a strange black hole.