Challe

Challe is a mysterious shapeshifter disguised as a female troll in charge of Challe's Home For Little Tykes in Nagrand.

She can also be seen in Nagrand in the alternate Draenor where it is revealed that Challe is not a troll at all, but some kind of shapeshifter who kills people to stay young. While she takes the form of an orc on Draenor, whether it is her true race or not is unclear.

Quotes
"Shh! Keep your voice down. The babes are sleeping."

Trivia

 * Due to some references it is speculated that she eats the children she is "caring for", thus making her similar to the Wicked Witches of many tales, like Hanzel and Gretel. Furthermore,, alias the Wicked Witch in the Karazhan Opera is also played by a troll female.