Drelanim Whisperwind

There are six known Night Elves with the last name "Whisperwind." Kaldorei surnames are speculated to go back millennia of generations in a bloodline, so the following may or may not be distantly related.

Tyrande Whisperwind - Major lore character since the beginning. Added in-game in Vanilla.

Orenthil Whisperwind - Added in Vanilla.

Kamatari Whisperwind - Added in Warlords of Draenor.

Drelanim Whisperwind - Introduced in Warcraft III as a random Warden hero. Added in Warlords of Draenor.

Kariel Whisperwind - Added in Warlords of Draenor.

Mave Whisperwind - Introduced in Warcraft III as a random Priestess of the Moon hero. Not in-game as of Legion.

Locations: Whisperwind Grove - Located in Felwood, Kalimdor.
Whisperwind's Citadel - A warden tower located in Stormheim, Broken Isles. Named after Drelanim.

Sister of Tyrande Whisperwind?

If you annoy her (i.e., click on her a lot), she says any of the following:

Do you wish for death?

My blade is very, very sharp.

Serious. Business. Only.

I would hate to be your warden.

Don't test my patience.

What is it?

:3