Quiddity

Quiddity, also known as Mr. Williams is a creature and a boss appearing in Middens.

Description
Quiddity is a powerful entity that resides in a room inside the Deeper Rift, he is said to raise children into murderers.

Quotes

 * "Time and space is the province of idiots. Watch me elevate above it all!"
 * "Hi my name is Mr. Williams and I live in this hole. I have several children who I'm turning into killers. Wait til they grow up."

Possible References

 * A Quiddity is the inherent nature or essence of someone or something and is a representation of one's inner self, a interpretation is that Quiddity is a fused twin, thus having two faces, a literal inner one and a literal outer one.

Trivia

 * Quiddity appears in a promotional screenshot of a battle.